 | Cromwell Collection Essays Proof Stamps Heiman Auction BlueLakeStamps Useful!
USD 29.99
Category : Publications
Seller : thespikemaster(3283, 100.0%) |  | Travelstamps: US Stamps Scott #O33p4, 30 Cent Proof on Card NGAI H
USD 28.99
Category : Proofs & Essays
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 | US Scott # 15L18 - Proof on White Wove Paper - some faults, inspect (P-4996)
USD 35.0
Category : Proofs & Essays
Seller : swfl-stamps(10962, 100.0%) |  | US #1TCP3; 5¢ FRANKLIN, SCARCE INDIA TRIAL COLOR "SPECIMEN" PROOF ON CARD, NGAI
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Category : Proofs & Essays
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 | RS216P3 Seabury & Johnson Private Die Revenue Proof on India Stamp BZ1566
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Category : Proofs & Essays
Seller : buystamps(20572, 100.0%) |  | US O35P3-O45P3 Complete Set Navy Dept. Official Plate Proof India Paper VF-XF (3
USD 209.95
Category : Proofs & Essays
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 | US 112P4 1c Franklin Plate Proof Single on Card SCV $65 (-001)
USD 57.95
Category : Proofs & Essays
Seller : us_stamp_shop(24222, 99.8%) |  | US #69P3; 12¢ WASHINGTON INDIA PAPER PLATE PROOF ON CARD BLOCK OF 4, CV $300
USD 249.0
Category : Proofs & Essays
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 | US stamps- Proof- plate on card- Scott # 114P4 (F7)
USD 39.0
Category : Proofs & Essays
Seller : rphtcarlson(6134, 100.0%) |  | US Sc# 68P4 *MINT NGAI H* { HUGE 10c WASHINGTON } NICE PROOF ON CARD FROM 1861
USD 29.0
Category : Proofs & Essays
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 | Travelstamps: US Stamps Scott #O42P3 Official Proof on Paper Mint NH NGAI
USD 45.99
Category : Proofs & Essays
Seller : travelstamps(21820, 100.0%) |  | USA Scott# R5P4 Plate Proof on Card SCV $33 (55960)
USD 50.0
Category : Proofs & Essays
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 | PROOF: Scott #165P4, 206P4, 207P4 & 214P4 Plate Proofs on Card, H
USD 35.0
Category : Proofs & Essays
Seller : philipstevens*(16386, 99.9%) |  | US SCOTT #255TC1a-e BLACK LARGE DIE TRIAL COLOR PROOF ON INDIA (6/5/24 GP)
USD 1250.0
Category : Proofs & Essays
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 | Miami Beach Stamp Expo Souvenir Card BEP Rejected Designs for #C18 Zeppelin 1983
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Category : Proofs & Essays
Seller : tv59(6176, 100.0%) |  | Voncorp EDUCARD Proof Card US 1847 1st General Issue & Official Imitations
USD 9.95
Category : Proofs & Essays
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 | US # 178-E1 *MINT OG H* { F/VF EXPERIMENTAL ESSAY "LAID PAPER" } "SCARCE OF 1876
USD 220.0
Category : 19th Century: Unused
Seller : elpapy73998(13839, 99.8%) |  | Voncorp EDUCARD Proof Card US 1861-1862 Second Design Regular Issue
USD 9.95
Category : Proofs & Essays
Seller : tv59(6182, 100.0%) |
 | Travelstamps; US Stamps #O55P4 30c P. O. Department Official Proof on Card NGAI
USD 17.99
Category : Proofs & Essays
Seller : travelstamps(21819, 100.0%) |  | US 219DP MNH Proof Small Banknote 2c lake margin block PSAG Cert ZAYIX 0524L0111
USD 505.75
Category : Proofs & Essays
Seller : zayix(5507, 99.9%) |