UNITED NATIONS - GENEVA OFFICE 1950 Overprints on Swiss stamps complete, Michel 1/20, never hinged mint (20 stamps). (Image1)

Est. £140-160

UNITED NATIONS - NEW YORK OFFICES 1971 20c UPU Headquarters IMPERF PLATE PROOFS BLOCK of 4, Scott 219Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce. (4 proofs) (Image1)

Est. £140-160

UNITED NATIONS - NEW YORK OFFICES 1990 45c 45th Anniversary IMPERF PLATE PROOFS PAIR, Scott 578Pl, superb never hinged mint, very fresh & scarce. (2 proofs) (Image1)

Est. £70-80

UNITED NATIONS - NEW YORK OFFICES 1979 15c International Court of Justice PROGRESSIVE COLOUR IMPERF PROOFS PAIRS complete set, Scott 314PP, superb never hinged mint, very fresh & scarce, only 50 of each proof produced. (4 pairs = 8 proofs) (Image1)

Est. £80-90

UNITED NATIONS - NEW YORK OFFICES 1987 22c Trygve Halvdan Lie IMPERF PLATE PROOFS PAIR, Scott 494Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce, only 50 pairs produced. (2 proofs) (Image1)

Est. £70-80

UNITED NATIONS - NEW YORK OFFICES 1976 9c Definitive IMPERF PLATE PROOFS PAIR, Scott 269Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce, only 50 pairs produced. (2 proofs) (Image1)

Est. £70-80

UNITED NATIONS - NEW YORK OFFICES 1966 5c World Federation of UN Associations IMPERF COLOUR PROOFS complete set, Scott 154PP, superb never hinged mint. Very fresh & scarce. (4 proofs) (Image1)

Est. £40-50

UNITED NATIONS - NEW YORK OFFICES 1981 20c Art at UN IMPERF PLATE PROOFS PAIR, Scott 346Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce, only 50 pairs produced. (2 proofs) (Image1)

Est. £70-80

UNITED NATIONS - NEW YORK OFFICES 1995 40c Fourth World Conference on Women IMPERF PLATE PROOFS PAIR, Scott 667Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce. (2 proofs) (Image1)

Est. £70-80

UNITED NATIONS - VIENNA OFFICES 1984 15s World Heritage IMPERF PLATE PROOFS BLOCK of 4, Scott V43Pl, superb never hinged mint, with inked fingerprints on the reverse as a security device. Very fresh & scarce. (4 proofs) (Image1)

Est. £140-160

UNITED NATIONS - VIENNA OFFICES 1996 7s Plea for Peace - Butterfly PROGRESSIVE COLOUR IMPERF PROOFS PAIRS complete set, Scott V208PP, superb never hinged mint. Very fresh & scarce. (10 pairs = 20 proofs) (Image1)

Est. £180-200