Images | Description | Current Bid |
 | Lot #683 COSTA RICA 1921 Simon Bolivar, 15c violet, large die proofdie sunk on full size card from the American Bank Note Company, v.f. P Catalog #110P | Price Realized $240.00
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 | Lot #684 COSTA RICA 1923-26 National Monuments, Columbus etc., ten different large die proofs in issued colors (missing only 5c yellow green), eachdie sunk on full size card from the American Bank Note Company, v.f. and rare P Catalog #117/127P | Unsold
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 | Lot #685 COSTA RICA 1924 Map of Guanacaste, master die proof in green, value tablet at right is blank, four different denominations plus "Centimo" additionally struck at bottom, in effect a composite die,die sunk on full size card from the American Bank Note Company, v.f. and rare P Catalog #129/31P | Price Realized $750.00
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 | Lot #686 COSTA RICA 1924 Mission at Nicoya, master die proof in brown, value tablets blank, three different denominations additionally struck at bottom, in effect a composite die,die sunk on full size card from the American Bank Note Company, v.f. and rare P Catalog #133/35P | Price Realized $750.00
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 | Lot #687 COSTA RICA 1932 Costa Rican Philatelic Society (Triangles), complete set of four different large die proofs in issued colors,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #158-61P | Unsold
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 | Lot #688 COSTA RICA 1935 Costa Rican Red Cross Society, large die proof in issued color,die sunk on full size card from the American Bank Note Company, v.f. P Catalog #163P | Price Realized $300.00
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 | Lot #689 COSTA RICA 1936 Columbus and Map of Cocos, set of two large die proofs in issued color,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #177-78P | Unsold
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 | Lot #690 COSTA RICA 1937 Costa Rican Philatelic Society (Triangles), complete set of four different large die proofs in issued colors,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #179-82P | Unsold
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 | Lot #691 COSTA RICA 1937 National Exposition, 2c Fish (Triangle), large die proof in issued color,die sunk on full size card from the American Bank Note Company, v.f. P Catalog #186P | Price Realized $525.00
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| Lot #692 COSTA RICA 1937 National Exposition, 10c Native Donkey, large die proof in issued color,die sunk on full size card from the American Bank Note Company, v.f. P Catalog #188P | Unsold
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| Lot #693 COSTA RICA 1940 Pan-American Health Day, without overprint, blocks of four, each with red "Specimen" of "Muestra" overprint, also with control punch, n.h., v.f.
S Catalog #191-95S | Unsold
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 | Lot #694 COSTA RICA 1940 Pan-American Issue, blocks of four, each stamp overprinted "Muestra" in red or black, n.h., v.f.
S Catalog #191-95S | Unsold
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 | Lot #695 COSTA RICA 1940 Pan-American Health Day, postage and air mail, complete set of 14 different large die proofs in issued colors, also two master dies of postage and airpost in green (value tablets blank), all without overprint,each die sunk on full size card from the American Bank Note Company, v.f. A rare, if not unique set P Catalog #191-95,C46-54P | Unsold
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 | Lot #696 COSTA RICA 1941 University, complete set of 12 different large die proofs in issued colors,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #212-16,C74-80P | Unsold
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 | Lot #697 COSTA RICA 1941 University, three different master dies in various colors, representing both designs and frame only, value tablets blank,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #212/C80P | Price Realized $1,050.00
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 | Lot #698 COSTA RICA 1942 Torch of Freedom and Victory, four different large die proofs in issued colors, first one with two control punches,each die sunk on full size card from the American Bank Note Company, v.f., rare P Catalog #220-23P | Unsold
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 | Lot #699 COSTA RICA 1943-47 Portraits, complete set of nine different large die proofs in issued colors,each die sunk on full size card from the American Bank Note Company, v.f., rare P Catalog #224-32P | Unsold
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 | Lot #700 COSTA RICA 1943-47 Portraits, eight different master large die proofs in black, value tablets blank,each die sunk on full size card from the American Bank Note Company, v.f., rare P Catalog #224/32P | Unsold
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 | Lot #701 COSTA RICA 1944 San Ramon, blocks of four, each stamp with red "Specimen" overprint, also with control punch, n.h., v.f.
S Catalog #233-37S | Unsold
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 | Lot #702 COSTA RICA 1945 Coffee Harvesting, cplt set of three different large die proofs in issued colors, also master die of central vignette only,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #243-45P | Unsold
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 | Lot #703 COSTA RICA 1947 Roosevelt, Postage and Air Post, cplt set of 13 different large die proofs in issued colors, also three master dies in green, for postage, air post and vignette (value tablets blank),each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #251-5,C160-67P | Price Realized $5,000.00
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| Lot #704 COSTA RICA 1944 San Ramon, cplt set of five different large die proofs in issued colors,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #253-57P | Unsold
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 | Lot #705 COSTA RICA Air Post. 1934 Issue, complete set of 13 different large die proofs in issued colors,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #C15-27P | Unsold
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 | Lot #706 COSTA RICA Air Post. 1934 Issue, four different master dies in various colors, representing both designs and "cent" and "colon" denominations, value tablets blank,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #C15/27P | Price Realized $1,900.00
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 | Lot #707 COSTA RICA Air Post. 1934 Allegory of Flight, 1col and 10col, two different large die proofs in black,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #C24,27P | Unsold
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 | Lot #708 COSTA RICA Air Post. 1937 First Fair of Costa Rica, cplt set of three different large die proofs in issued colors, also a master die in green (value tablets blank)each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #C28-30P | Unsold
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 | Lot #709 COSTA RICA Air Post. 1937 National Products Exposition, cplt set of four different large die proofs in issued colors, also a master die in ultramarine (value tablets blank)each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #C31-34P | Unsold
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| Lot #710 COSTA RICA Air Post. 1940 La Sabana Airport, cplt set of seven different large die proofs in issued colors,each die sunk on full size card from the American Bank Note Company, 25c with control punch, v.f. P Catalog #C39-45P | Unsold
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 | Lot #711 COSTA RICA Air Post. 1941-46 Football (Soccer), complete set of 12 different large die proofs in issued colors, also a master die in carmine (value tablets blank),each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #C57-66,121-23P | Unsold
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 | Lot #712 COSTA RICA Air Post. 1943-45 Portraits, complete set of 22 different large die proofs in issued colors, also two master dies in black (value tablets blank),each die sunk on full size card from the American Bank Note Company, v.f. An incredible assembly, possibly unique P Catalog #C81-91AP | Unsold
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 | Lot #713 COSTA RICA Air Post. 1944 San Ramon, complete set of nine different large die proofs in issued colors, also a master die in blue (value tablets blank),each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #C94-102P | Unsold
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 | Lot #714 COSTA RICA Air Post. 1946-48 Portraits, complete set of seven different large die proofs in issued colors,each die sunk on full size card from the American Bank Note Company, v.f. An incredible assembly P Catalog #C124-27,179-81P | Unsold
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 | Lot #715 COSTA RICA Air Post. 1952-53 Mail Plane, 5c, 10c and 35c, three different large die proofs in issued colors,each die sunk on full size card from the American Bank Note Company, v.f. P Catalog #C216-17,19P | Unsold
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