1993 Test Stamp, unissued design (George Clinton) three large die proofs, center only in black or gray black, two oval, one round engraved vignette, one die sunk on card, some tape stains, fine and rare group (Cat No. TD130F) (Image)

Est.$750

1993 Test Stamp, unissued design (George Clinton) four large die proofs, center only in black or gray black, three die sunk on cards, v.f. (Cat No. TD130F) (Image)

Est.$1,000

1993 Test Stamp, unissued design (George Clinton) in blue gray inscribed "Experimental USA 00", die proof, also an additional die proof of center only, v.f. (Cat No. TD130F) (Image)

Est.$750

1993 Test Stamp, unissued design (George Clinton) in blue gray inscribed "Experimental USA 00", sheet of 100, n.h., minor creases at top affect three stamps, v.f., cat. $15000 (Cat No. TD130F) (Image)

Cat. $15000, Est.$3,000