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U.S. Possessions This section illustrates plate number material for Canal Zone issues that are not overprints of regular U.S. stamps. Canal Zone (1904-1938, 1939-1978) Stamps of the Canal Zone superseded the overprinted U.S. issues in 1938. Stamps of Panama were used during the 1979-1999 transition period. In 1999, ownership of the Canal Zone and operation of the canal reverted to Panama.
Early issues
Since there were no plate numbers on these stamps of Panama, the foreign order number is sometimes collected as the next best option. Foreign order numbers are often erroneously referred to as a "plate number."
These overprints were created when a 1920 order for 1¢ stamps from ABNCo in New York was delayed. When the Canal Zone post offices ran out, they purchased 200,000 1¢ stamps from Panama and had them overprinted. They were used from early March to mid April, 1921, when the stamps ordered from New York finally arrived. --from David Zemer, Canal Zone Philatelist, First Quarter 2021.
Regular issues
CZ Scott 106, 2¢ Maj. Gen. George Washington Goethals, plate number 115185 CZ Scott 106P4, proof on card, plate number F121516 (Image courtesy of the National Postal Museum)
This issue was later overprinted and surcharged as several denominations of postage due stamps.
CZ Scott 108, 10¢ Harry Foote Hodges, plate number 123709 CZ Scott 108P4, proof on card, plate number 123709 (Image courtesy of the National Postal Museum)
CZ Scott 109a, 12¢ Lt. Col. David Du Bose Gaillard, wet printing, plate number 118189 CZ Scott 109P4, proof on card, plate number F121499 (Image courtesy of the National Postal Museum)
CZ Scott 111, 15¢ Smith, plate number F123710 CZ Scott 111P4, proof on card, plate number F123710 (Image courtesy of the National Postal Museum)
CZ Scott 112a, 20¢ Rear Adm. Harry Harwood Rousseau, wet printing, plate number 165887 CZ Scott 112aP4, proof on card, plate number 123711 (Image courtesy of the National Postal Museum)
The wet printings occurred first and the dry printings later. In general, the wet printings would normally be assigned the main catalog number, with the dry printings assigned the minor letter.
CZ Scott 117aP, single from booklet pane proof sheet, proof plate number 132720 (Image courtesy of the National Postal Museum)
1939 25th Anniversary "Before and After" issue
CZ Scott 120, 1¢ Balboa - Before, plate number 141006 CZ Scott 120P4, proof on card, plate number 141006 (Image courtesy of the National Postal Museum)
CZ Scott 121, 2¢ Balboa - After, plate number F141181. Both Top positions have the F. CZ Scott 121P4, proof on card, plate number F141181 (Image courtesy of the National Postal Museum)
CZ Scott 123, 5¢ Gaillard Cut - After, plate number 141096 CZ Scott 123P4, proof on card, plate number 141096 (Image courtesy of the National Postal Museum)
CZ Scott 125, 7¢ Bas Obispo - After, plate number F141008 CZ Scott 125P4, proof on card, plate number F141008 (Image courtesy of the National Postal Museum)
CZ Scott 126, 8¢ Gatun Locks - Before, plate number 141009 CZ Scott 126P4, proof on card, plate number 141009 (Image courtesy of the National Postal Museum)
CZ Scott 127, 10¢ Gatun Locks - After, plate number 141097 CZ Scott 127P4, proof on card, plate number 141097 (Image courtesy of the National Postal Museum)
CZ Scott 128, 11¢ Canal Channel - Before, plate number F141624 CZ Scott 128P4, proof on card, plate number 141624 (Image courtesy of the National Postal Museum)
CZ Scott 129, 12¢ Canal Channel - After, plate number 141098 CZ Scott 129P4, proof on card, plate number 141098 (Image courtesy of the National Postal Museum)
CZ Scott 130, 14¢ Gamboa - Before, plate number F141099 CZ Scott 130P4, proof on card, plate number F141099 (Image courtesy of the National Postal Museum)
CZ Scott 131, 15¢ Gamboa - After, plate number 141239 CZ Scott 131P4, proof on card, plate number F141239 (Image courtesy of the National Postal Museum)
CZ Scott 133, 20¢ Pedro Miguel Locks - After, plate number 141100 CZ Scott 133P4, proof on card, plate number F141100 (Image courtesy of the National Postal Museum)
CZ Scott 134, 25¢ Gatun Spillway - Before, plate number F141241 CZ Scott 134P4, proof on card, plate number 141241 (Image courtesy of the National Postal Museum)
Regular issues
CZ Scott 136, 1/2¢ Maj. Gen. George W. Davis replacement for the overprinted 1/2¢ Franklin Prexy, plate number 160139 CZ Scott 136P4, proof on card, plate number 160139 (Image courtesy of the National Postal Museum)
Gold Rush Centennial
CZ Scott 142, 3¢ Forty-Niners at Chagres, plate number 160555 CZ Scott 142P4, proof on card, plate number 160555 (Image courtesy of the National Postal Museum)
CZ Scott 143, 6¢ Bungo to Las Cruces, plate number 160556 CZ Scott 143P4, proof on card, plate number 160556 (Image courtesy of the National Postal Museum)
CZ Scott 145, 18¢ Departure for San Francisco, plate number 160558 CZ Scott 145P4, proof on card, plate number 160558 (Image courtesy of the National Postal Museum)
Regular issues
CZ Scott 146, 10¢ Workers in Culebra Cut, plate number 162191 CZ Scott 146P4, proof on card, plate number 162191 (Image courtesy of the National Postal Museum)
CZ Scott 147, 3¢ Panama Railroad, plate number 165141 CZ Scott 147P4, proof on card, plate number 165141 (Image courtesy of the National Postal Museum)
CZ Scott 148P4, proof on card, plate number 166378. The dull blue green is in the paper, not in the printing process. (Image courtesy of the National Postal Museum)
CZ Scott 149, 4¢ S.S. Ancon, plate number 166860 CZ Scott 149P4, proof on card, plate number 166932 (Image courtesy of the National Postal Museum)
CZ Scott 150, 4¢ Theodore Roosevelt Medal and map, plate number 166927 CZ Scott 150P4, proof on card, plate number 166927 (Image courtesy of the National Postal Museum)
CZ Scott 151, 4¢ Boy Scouts, plate number 167332 CZ Scott 151P4 var, proof on card, printed entirely in dark blue, plate number 167332. The red and yellow were added when the multicolored stamp was printed. (Image courtesy of the National Postal Museum)
CZ Scott 152, 4¢ Canal Zone Administration Building, plate number 167599 CZ Scott 152P4, proof on card, plate number 167599 (Image courtesy of the National Postal Museum)
Plate 167592 printed these 3¢ coils in purple, and the 4¢ Administration Building coils in brown, with the same plate.
CZ Scott 154P4 var, 4¢ CZ Administation Building coil, proof on card, plate number 167592 (Image courtesy of the National Postal Museum) Plate 167592 printed these 4¢ coils in brown, and the 3¢ Goethals coils in purple, with the same plate.
CZ Scott 156, 4¢ Girl Scouts, plate number 168004 CZ Scott 156P4 var, proof on card, printed entirely in dark green, plate number 168004. The blue and bister were added when the multicolored stamp was printed. (Image courtesy of the National Postal Museum)
CZ Scott 157, 4¢ Thatcher Ferry Bridge, silver plate number 168154, black plate number 168153
CZ Scott 157P4, 4¢ proofs on card, black plate number 168153, silver plate number 168154 (Images courtesy of the National Postal Museum)
CZ Scott 159, 8¢ Fort San Lorenzo, plate number 171553 CZ Scott 159P4 var, proof on card printed entirely in blue, plate number 171553. The green, slate and brown were added when the stamps were printed. (Image courtesy of the National Postal Museum)
The Scott U.S. Specialized Catalogue notes that the tagging was useless as "there was no equipment in the Canal Zone to detect tagging."
Airmail issues
Gaillard Cut series The entire series used a common design featuring a plane flying over a ship in the canal at the Gaillard Cut.
CZ Scott C6, 4¢ red violet, plate number 160314 CZ Scott C6P4, 4¢ proof on card, plate number 160314 (Image courtesy of the National Postal Museum)
CZ Scott C7P4, 5¢ proofs on card, plate numbers 123574, 159148 (Images courtesy of the National Postal Museum)
CZ Scott C9, 10¢ orange, plate number 123575 CZ Scott C9P4, 10¢ proof plate number 123575 (Image courtesy of the Smithsonian National Postal Museum)
CZ Scott C10, 15¢ pale blue, plate number 123576 CZ Scott C10P4, 15¢ blue, proof plate number F147635 (Image courtesy of the Smithsonian National Postal Museum)
CZ Scott C11, 20¢ red violet, plate number 123577 CZ Scott C11P4, 20¢ proof plate number 123577 (Image courtesy of the Smithsonian National Postal Museum)
CZ Scott C13, 40¢, yellow, plate number F123578 CZ Scott C13P4, 40¢ lemon, proof plate number 123578 (Image courtesy of the Smithsonian National Postal Museum)
CZ Scott C14, $1 black, plate number 123579 CZ Scott C14P4, $1 proof on card, plate number F123579 (Image courtesy of the National Postal Museum)
1939 25th Anniversary series
CZ Scott C15, 5¢ Plane over Sosa Hill, plate number F144201 CZ Scott C15P4, 5¢ proof on card, plate number 141201 (Image courtesy of the National Postal Museum)
CZ Scott C16, 10¢ Map of Central America, plate number 140993 CZ Scott C16P4, 10¢ proof on card, plate number 140993 (Image courtesy of the National Postal Museum)
CZ Scott C17, 15¢ Clipper, plate number F140994 CZ Scott C17P4, 15¢ proof on card, plate number 140994 (Image courtesy of the National Postal Museum)
CZ Scott C18, 25¢ Clipper, Cristobal Harbor, plate number 140995 CZ Scott C18P4, 25¢ proof on card, plate number 140995 (Image courtesy of the National Postal Museum)
CZ Scott C20, $1 Clipper landing, plate number F140997 CZ Scott C20P4, $1 proof on card, plate number 140995 (Image courtesy of the National Postal Museum)
1951-63 Winged Globe series, Flat Plate and Rotary (sequenced by denomination)
CZ Scott C21a, 4¢ red violet, wet printing, plate number 162159 CZ Scott C21aP4, 4¢ proof on card, plate number 162159 (Image courtesy of the National Postal Museum)
CZ Scott C27, 5¢ yellow green, plate number 166836 CZ Scott C27P4, 5¢ proof on card, plate number 166836 (Image courtesy of the National Postal Museum)
CZ Scott C22a, 6¢ brown, wet printing, plate number 162152 CZ Scott C22aP4, 6¢ proof on card, plate number 162152 (Image courtesy of the National Postal Museum)
CZ Scott C28, 7¢ olive, plate number 166837 CZ Scott C28P4, 7¢ proof on card, plate number 166838 (Image courtesy of the National Postal Museum)
CZ Scott C34, 8¢ carmine, plate number 168201 CZ Scott C34P4, 8¢ proof on card, plate number 168201 (Image courtesy of the National Postal Museum)
CZ Scott C29, 15¢ brown violet, plate number 166840 CZ Scott C29P4, 15¢ proof on card, plate number 166840 (Image courtesy of the National Postal Museum)
CZ Scott C24a, 21¢ light blue, wet printing, plate number 162160 CZ Scott C24aP4, 21¢ proof on card, plate number 162160 (Image courtesy of the National Postal Museum)
CZ Scott C30, 25¢ yellow orange, plate number 166841 CZ Scott C30P4, 25¢ proof on card, plate number 166841 (Image courtesy of the National Postal Museum)
CZ Scott C25, 31¢ cerise, plate number 162161 CZ Scott C25P4, 31¢ proof on card, plate number 162161 (Image courtesy of the National Postal Museum)
CZ Scott C31, 35¢ dark blue, plate number 166842 CZ Scott C31P4, 35¢ proof on card, plate number 166842 (Image courtesy of the National Postal Museum)
The wet printings occurred first and the dry printings later. In general, the wet printings would normally be assigned the main catalog number, with the dry printings assigned the minor letter.
CZ Scott C32, 15¢ Army Caribbean School, plate number 167814 CZ Scott C32P4 var, 15¢ proof on card, printed entirely in blue, plate number 167814. The red text and denomination were added when the multiolored stamps were printed. (Image courtesy of the National Postal Museum)
CZ Scott C33, 7¢ Malaria Eradication, plate number 168142 CZ Scott C33P4, 7¢ proof on card, black only, plate number 168142. The yellow is in the paper, not in the printing process. (Image courtesy of the National Postal Museum)
1964 Golden Anniversary series
CZ Scott C36, 6¢ Plane over Cristobal, green and black, plate number 168613 CZ Scott C36P4 var, 8¢ proof on card, printed entirely in green, plate number 168613 (Image courtesy of the National Postal Museum)
CZ Scott C37, 8¢ Plane over Gatun Locks, rose red and black, plate number 168621 CZ Scott C37P4 var, 8¢ proof on card, printed entirely in rose red, plate number 168621 (Image courtesy of the National Postal Museum)
CZ Scott C38, 15¢ Plane over Madden Dam, blue and black, plate number 168623 CZ Scott C38P4 var, 15¢ proof on card, printed entirely in blue, plate number 168623 (Image courtesy of the National Postal Museum)
CZ Scott C39, 20¢ Plane over Gaillard Cut, rose lilac and black, plate number 168625 CZ Scott C39P4 var, 20¢ proof on card, printed entirely in rose lilac, plate number 168623 (Image courtesy of the National Postal Museum)
CZ Scott C40, 30¢ Plane over Miraflores Locks, reddish brown and black, plate number 168627 CZ Scott C40P4 var, 30¢ proof on card, printed entirely in reddish brown, plate number 168627 (Image courtesy of the National Postal Museum)
CZ Scott C41, 80¢ Plane over Balboa, olive bister and black, plate number 168628 CZ Scott C41P4 var, 80¢ proof on card, printed entirely in olive bister, plate number 168628 (Image courtesy of the National Postal Museum)
Canal Zone Seal and Jet final airmail series (sequenced by denomination)
CZ Scott C42, 6¢, black plate number 168774, green plate number 168775
CZ Scott C42P4 var, 6¢ proof on card, black only, plate number 168774 (Image courtesy of the National Postal Museum)
CZ Scott C42P4 var, "frame" proof on card, plate numbers 168773, 168775, examples printed in the light blue used for the 15¢ denomination These common "frame" plates were printed in various colors and were used on all denominations in this airmail series. Only the black design featuring the Canal Zone seal and jet silhouette varied by denomination.
CZ Scott C43, 8¢, black plate number 168776, salmon plate number 168775
CZ Scott C43P4 var, 8¢ proof on card, black only, plate numbers 168776, 168779 (Images courtesy of the National Postal Museum)
CZ Scott C48, 10¢ sheet stamp, black plate number 170198, orange red plate number 168773
CZ Scott C48P4 var, 10¢ sheet stamp proof on card, black only, plate number 170214 (Image courtesy of the National Postal Museum)
CZ Scott C48aP4 var, 10¢ booklet pane stamp proof on card, black only, plate number 170959 (Image courtesy of the National Postal Museum)
CZ Scott C49, 11¢, black plate number 171626, olive gray plate number 168773
CZ Scott C49P4 var, 11¢ proof on card, black only, plate number 171265 (Image courtesy of the National Postal Museum)
CZ Scott C50, 13¢, black plate number 172228, bright green plate number 168775
CZ Scott C50P4 var, 13¢ proof on card, black only, plate number 172228 (Image courtesy of the National Postal Museum)
CZ Scott C44, 15¢, black plate number 168780, light blue plate number 168775
CZ Scott C44P4 var, 15¢ proof on card, black only, plate number 168780 (Image courtesy of the National Postal Museum)
CZ Scott C45, 20¢, black plate number 168781, lilac plate number 168773
CZ Scott C45P4 var, 20¢ proof on card, black only, plate number 168781 (Image courtesy of the National Postal Museum)
CZ Scott C51, 22¢, black plate number 173008, violet blue plate number 168773
CZ Scott C51P4 var, 22¢ proof on card, black only, plate number 173008 (Image courtesy of the National Postal Museum)
CZ Scott C52, 25¢, black plate number 170203, pale yellow green plate number 168773
CZ Scott C46, 30¢, black plate number 168784, tan plate number 168773
CZ Scott C46P4 var, 30¢ proof on card, black only, plate number 168784 (Image courtesy of the National Postal Museum)
CZ Scott C53, 35¢, black plate number 173010, salmon plate number 168773
CZ Scott C53P4, 35¢ proof on card, black plate number 173010, salmon plate number 168773 (Images courtesy of the National Postal Museum) These examples illustrate a proof prepared using both the black vignette and pastel "frame" as with the final stamp
CZ Scott C47, 80¢, black plate number 168789, yellow brown plate number 168773
CZ Scott C47P4 var, 80¢ proof on card, black only, plate number 168789 (Image courtesy of the National Postal Museum)
Official issues Canal Zone did not print special stamps for official use. However, regular issues with a "P" perfin (perforated initial) indicate stamps sold to and used by the Panama Canal Company, the administator of the canal. These are essentially the same thing: forerunners of official stamps.
CZ Scott 107 var, 5¢, with horizontal "P" to left, CZ Authority perfin, plate number F118118 Image courtesy of Gary Weiss
CZ Scott 120 var, 1¢, with horizontal "P" to right, CZ Authority perfin, plate number F141006 Image courtesy of Gary Weiss
Airmail Official issues The Gaillard Cut airmail stamps were overprinted for use as airmail official stamps. However, all selvage was removed from the panes as part of the overprinting process, thus no plate number varieties exist. First series, March 31, 1941: Type I overprint (19-20mm) on the 5¢, 10¢, 15¢, 20¢, 40¢ and $1 values, Scott CO1-CO4, CO6-CO7 Second series, September 22, 1941: Type II overprint (17mm) on the 5¢, 10¢, 20¢, 30¢ and 40¢ values, Scott CO8-CO12 Additional printing, June 4, 1942: Type I overprint on the 30¢ value, CO5 Additional denomination, November 1947: Type I overprint on the 6¢ value, Scott CO14
Before the need for an entire series was recognized, some airmail issues were processed with a "P" perfin (perforated initial) to indicate stamps sold to and used by the Panama Canal Company, the administator of the canal. These are essentially the same thing: forerunners of airmail official stamps.
CZ Scott C13 var, 40¢, orange yellow, with horizontal "P" to right, CZ Authority perfin, plate number 123578
CZ Scott C13 var, 40¢, yellow, with horizontal "P" to left, CZ Authority perfin, plate number 123578 Image courtesy of Gary Weiss
Postage Due issues
Canal Zone Revenue issues Special revenue stamps were prepared for Liquor Tax, Cigarette/Tobacco Tax, and Customs Baggage Inspection uses in the Canal Zone. The liquor tax stamps are in a format that likely included plate numbers, whereas the other types probably did not. Please report any plate number examples.
For additional information, check out the web page of the Canal Zone Study Group (CZSG).
Related pages: Canal Zone overprints on U.S. issues
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This page last updated January 2, 2025.
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CZ
Scott 39d, "Canal Zone" reading down, foreign order number 4068
CZ
Scott 42, foreign order number 4243
CZ
Scott 43, foreign order number 4244
CZ
Scott 44, foreign order number 4248
CZ
Scott 45, foreign order number 4243
CZ
Scott 46, foreign order number 8848
CZ
Scott 52a, foreign order number number 5634 for both the frame and vignette
CZ
Scott 52S, Specimen, foreign order number 5634
CZ
Scott 53S, Specimen, foreign order number 5656
CZ
Scott 56, foreign order number 4068
CZ
Scott 59, foreign order number 6272
CZ
Scott 60, foreign order number 6785
CZ
Scott 61d, double "Canal", foreign order number 6785
CZ
Scott 62S, Specimen, foreign order number 6785
CZ
Scott 63a, "Canal Zone" reading down, foreign order number 6784
CZ
Scott 65, foreign order number 6784
CZ
Scott 67, foreign order number 6785, ex-Helme (Image
courtesy of the Canal Zone Study Group)
CZ
Scott 69, carmine, foreign order number 7427
CZ
Scott 69Sb, violet, specimen, foreign order number F7427
CZ
Scott 105, 1¢ Maj. Gen. William Crawford Gorgas, dark green, plate number 141471
CZ
Scott 105 var, precancel, plate number 115180
CZ
Scott 105a, yellow green, plate number 115180
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CZ
Scott 107, 5¢ Gaillard Cut, plate number 115115
CZ
Scott 108 var, precancel, plate number F123709
CZ
Scott 109, dry printing, plate number 121496
CZ
Scott 110, 14¢ Maj. Gen. William Luther Sibert, plate number 136683
CZ
Scott 112, dry printing, plate number 165887
CZ
Scott 113a, 30¢ Col. Sydney Bacon Williamson, wet printing, plate number 141629
CZ
Scott 113, dry printing, plate number 141629
CZ
Scott 114a, 50¢ Joseph Clay Styles Blackburn, wet printing, plate number 118120
CZ
Scott 114, dry printing, plate number 118120
CZ
Scott 117, 3¢ Goethals, plate number 129223
CZ
Scott 117a, single from booklet pane, plate number F132720
CZ
Scott 122, 3¢ Gaillard Cut - Before, plate number F141501. This is the only reported example of the F Top position for plate 141501.
CZ
Scott 124, 6¢ Bas Obispo - Before, plate number 141007
CZ
Scott 132, 18¢ Pedro Miguel Locks - Before, plate number F141240
CZ
Scott 135, 50¢ Gatun Spillway - After, plate number F141512
CZ
Scott 137, 1-1/2¢ Gov. Charles E. Magoon replacement for the overprinted 1-1/2¢ Martha Washington Prexy, plate number 160140
CZ
Scott 138, 2¢ Theodore Roosevelt, light rose carmine, dry printing, plate number 160822
CZ
Scott 138 var, precancel, plate number 160822
CZ
Scott 138a, rose carmine, wet printing, plate number 160822
CZ
Scott 139, 5¢ John F. Stevens, perf 11, plate number 158038
CZ
Scott 139 var, precancel, plate number 158038
CZ
Scott 139 var, overinked, plate number 158038
CZ
Scott 140a, 25¢ John F. Wallace, wet printing, plate number 160141
CZ
Scott 140, dry printing, plate number 160141
CZ
Scott 141, 10¢ CZ Biological Area and Coatimundi, plate number 159908
CZ
Scott 141, precancel, plate number 159908
CZ
Scott 144, 12¢ Las Cruces Trail to Panama, plate number 160557
CZ
Scott 148, 3¢ Gorgas Hospital, plate number 166378
CZ
Scott 148 var, misperfed vertically, plate number 166378
CZ
Scott 153P4 var, 3¢ coil, proof on card, plate number 167592 (Image courtesy of the National Postal Museum)
CZ
Scott 155P4, 5¢ Stevens coil, proof on card, plate number 167942 (Image courtesy of the National Postal Museum)
CZ
Scott 158, 6¢ Goethals Memorial, plate number 170215
CZ
Scott 160P4, 1¢ Gorgas coil, proof on card, plate number 172535 (Image courtesy of the National Postal Museum)
CZ
Scott 161P4, 10¢ Hodges coil, proof on card, plate number 172540 (Image courtesy of the National Postal Museum)
CZ
Scott 162P4, 25¢ Wallace coil, proof on card, plate number 172542 (Image courtesy of the National Postal Museum)
CZ
Scott 163, 13¢ Dredge Cascadas, plate number 172912
CZ
Scott 164, 5¢ perf 11 x 10-1/2, shiny gum, plate number 172528
CZ
Scott 164 var, cracked plate (horizontal line left of "17" is easiest to see) plate number 172528
CZ
Scott 164a, dull gum, tagged, plate number 170529
CZ
Scott 165, 15¢ Towing Locomotive, plate number 172356
CZ
Scott C1, 15¢ on 1¢ Gorgas, Type I, plate number 115180
CZ
Scott C2, 15¢ on 1¢ Gorgas, Type II, plate number 115182
CZ
Scott C3, 25¢ on 2¢ Goethals, plate number 115185
CZ
Scott C4, 10¢ on 50¢ Blackburn, plate number 118119
CZ
Scott C5, 20¢ on 2¢ Goethals, plate number (F)115186
CZ
Scott C5a, 20¢ on 2¢ overprint error,
dropped '2', plate number 115186
CZ
Scott C7, 5¢ yellow green, plate number 159148
CZ
Scott C8, 6¢ yellow brown, plate number 158092
CZ
Scott C12, 30¢ dull rose, plate number 146729
CZ
Scott C19, 30¢ Clipper over Gaillard Cut, plate number 140996
CZ
Scott C21, 4¢, dry printing, plate number 162159
CZ
Scott C22, 6¢, dry printing, plate number 162152
CZ
Scott C23a, 10¢ red orange, wet printing, plate number 162154
CZ
Scott C23, 10¢, dry printing, plate number 162154
CZ
Scott C24, 21¢ dry printing, plate number 162160
CZ
Scott C25a, 31¢ imperforate vertically error, plate number 162161
CZ
Scott C26a, 80¢ black, wet printing, plate number 162162
CZ
Scott C26, 80¢, dry printing, plate number 162162
CZ
Scott C35, 15¢ Alliance for Progress, plate number 168325
CZ
Scott J4, 1c, foreign order number 4484
CZ
Scott J4S, 1c specimen, foreign order number 4484
CZ
Scott J6S, 10c specimen, foreign order number F5182
CZ
Scott J11c, 1c specimen, foreign order number 4484
CZ
Scott J21, 1¢ on 5¢ Scott CZ 107, plate number 118118
CZ
Scott J22, 2¢ on 5¢, plate number 118115
CZ
Scott J23, 5¢ on 5¢, plate number 118115
CZ
Scott J24, 10¢ on 5¢, plate number F118116
CZ
Scott J25, 1¢ Canal Zone seal, plate number 123716
CZ
Scott J26, 2¢, plate number 123717F
CZ
Scott J27, 5¢, plate number 123718F
CZ
Scott J28, 10¢, plate number 123719
CZ
Scott J29, 15¢, plate number 146100
.