GUYANA - 1984 (22 Oct) 320c on $5 Butterfly surcharge with 'George Washington' overprint, SG 1413, never hinged mint COMPLETE SHEETLET of 25, very fresh. Cat £475 (25 stamps) (Image1)

Est. £120-150

GUYANA - 2003 Endangered Species 'Toucan' miniature sheet of two sets as SG MS6410, IMPERF PROOF SHEET from the B.D.T. Printers Archive, on unwatermarked, gummed paper, never hinged mint. (Image1)

Est. £150-200

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