1939 Issue (Bolivar, Christopher Columbus, Caldas, etc.), complete set of 8 large die proofs, die sunk on cards, fresh and v.f., rare set (Cat No. 467-74P) (Image)

Est.$2,000

1940-43 8c-1p (Antonio Sucre), also central vignette of Tobacco Plant (8c green), six large die proofs, die sunk on cards, v.f. (Cat No. 488-92P) (Image)

Est.$1,500

1947 Orchids, eight different large die proofs, including set of six, plus frame only of 2c (black) and two different border colors of 5c, all die sunk on cards, v.f., rare (Cat No. 546-51P) (Image)

Est.$2,500

1941 Issue, complete set of 13 large die proofs, die sunk on cards, fresh and v.f., rare set (Cat No. C121-33P) (Image)

Est.$2,500