 | US #122P4; 90¢ LINCOLN PLATE PROOF ON CARD, SUP-NGAI, CV $170
USD 165.0
Category : Proofs & Essays
Seller : rytisla(944, 100.0%) |  | US #122P4; 90¢ LINCOLN PLATE PROOF ON CARD, VF/XF-NGAI, CV $170
USD 129.5
Category : Proofs & Essays
Seller : rytisla(934, 100.0%) |
 | US Dept. of the Interior Stamp Proof Set of 10 1873 O15P4-O24P
USD 158.0
Category : Proofs & Essays
Seller : alleycat38(1876, 99.6%) |  | US #59P3; 12¢ WASHINGTON PLATE PROOF ON INDIA PAPER - NGAI, CV $350
USD 240.0
Category : Proofs & Essays
Seller : rytisla(943, 100.0%) |
 | US #227P3; 15¢ CLAY PLATE PROOF ON INDIA, SUPERB-NGAI
USD 55.0
Category : Proofs & Essays
Seller : rytisla(944, 100.0%) |  | L/S US 3c Liberty Vignette American Banknote Co. Experimental ESSAY Lot 2
USD 95.0
Category : Proofs & Essays
Seller : legend_stamps(2350, 100.0%) |
 | US 115P4 6c Washington Plate Proof on Card SCV $85 (-002)
USD 74.95
Category : Proofs & Essays
Seller : us_stamp_shop(24135, 99.9%) |  | U.S. Scott #117P3 Plate On India Proof Mint Never Hinged S.S. Adriatic
USD 67.5
Category : Proofs & Essays
Seller : theworldunhinged(47665, 100.0%) |
 | SCOTT #78P3 24c. GRAY LILAC GEORGE WASHINGTON PROOF ON INDIA PAPER
USD 29.65
Category : Proofs & Essays
Seller : georgetownlaw(67538, 100.0%) |  | US #4P4; 10¢ WASHINGTON PLATE PROOF ON CARD NGAI, CV $250
USD 219.0
Category : Proofs & Essays
Seller : rytisla(937, 100.0%) |
 | L/S US Scott 73-E3 Essay MNH No Gum
USD 75.0
Category : Proofs & Essays
Seller : legend_stamps(2354, 100.0%) |  | US #115P3; 6¢ WASHINGTON PLATE PROOF BLOCK ON INDIA, XF-NGAI
USD 157.0
Category : Proofs & Essays
Seller : rytisla(943, 100.0%) |
 | 2023 ENDANGERED SPECIES COLOR PROOFS (5) MAGENTA, YELLOW, CYAN, BLACK, LT. BLUE
USD 25.0
Category : 1941-Now: Unused
Seller : geminiguy1(7133, 99.7%) |  | US #243P4; $3 COLUMBIAN PLATE PROOF ON CARD, XF-NGAI, FRESH AND SHARP! CV $225
USD 179.0
Category : Proofs & Essays
Seller : rytisla(937, 100.0%) |
 | US #76P4; 5¢ JEFFERSON PLATE PROOF ON CARD, SUPERB-NGAI
USD 49.0
Category : Proofs & Essays
Seller : rytisla(937, 100.0%) |  | 116 P4 Card proof XF unused with nice color cv $ 55 ! see pic !
USD 45.0
Category : Proofs & Essays
Seller : ovstamps(18625, 99.7%) |
 | USA - 1958 - Champion of Liberty - Simon Bolivar - BUREAU PRINT PROOF -(3) #aa
USD 5.0
Category : Proofs & Essays
Seller : moneymaster2011(35631, 99.7%) |  | US stamps- Proof- plate on card- Scott # 121P4 (F2)
USD 129.0
Category : Proofs & Essays
Seller : rphtcarlson(6068, 100.0%) |
 | US Sc# 68P4 *MINT NGAI H* { HUGE 10c WASHINGTON } NICE PROOF ON CARD FROM 1861
USD 29.0
Category : Proofs & Essays
Seller : elpapy73998(13742, 99.8%) |  | US Sc# 71P4 *MINT NGAI H { -VF- 30c FRANKLIN } "SCARCE PROOF ON CARD FROM 1861
USD 85.0
Category : Proofs & Essays
Seller : elpapy73998(13754, 99.8%) |