GUYANA - 2003 IMPERF PROOFS Fish set as SG 6417/20, IMPERF PROOFS from the B.D.T. Printers Archive, on unwatermarked, gummed paper, never hinged mint, seldom seen or offered (4 imperf proofs) (Image1)

Est. £80-100

GUYANA - 2003 IMPERF PROOFS Flowers set as SG 6411/14, IMPERF PROOFS from the B.D.T. Printers Archive, on unwatermarked, gummed paper, never hinged mint, seldom seen or offered (4 imperf proofs) (Image1)

Est. £80-100

GUYANA - 2004 IMPERF PROOF MINIATURE SHEET Chinese New Year 'Monkey'  4x $100 miniature sheet as SG MS6431, IMPERF PROOF from the B.D.T. Printers Archive, on unwatermarked, gummed paper, never hinged mint, seldom seen or offered (1 imperf proof m/s) (Image1)

Est. £100-125

GUYANA - REVENUES 1976 $10 Yellow & black, $20 green & black and $50 red & black Map top values, Barefoot 22/24, never hinged mint marginal BLOCKS of 4, very fresh & scarce. (3 blocks = 12 stamps) (Image1)

Est. £170-190