UNITED NATIONS - NEW YORK OFFICES 1981 20c Art at UN - Bulgarian Mural IMPERF PLATE PROOFS, Scott 346Pl, superb never hinged mint marginal BLOCK of 6, with inked fingerprints on the reverse as a security devise, very fresh & scarce, only 50 pairs produced. (6 proofs) (Image1)

Est. £180-200

UNITED NATIONS - NEW YORK OFFICES 1987 22c Trygve Halvdan Lie IMPERF COLOUR PROOFS PAIRS complete set, Scott 494PP, superb never hinged mint. Very fresh & scarce, only 50 of each proof produced. (10 pairs = 20 proofs) (Image1)

Est. £200-250

UNITED NATIONS - NEW YORK OFFICES 1962 15c Death of Dag Hammarskjold Anniversary IMPERF PLATE PROOFS PAIR, Scott 109Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce. (2 proofs) (Image1)

Est. £70-80

UNITED NATIONS - NEW YORK OFFICES 1980 20c Economic and Social Council IMPERF PLATE PROOFS PAIR, Scott 342Pl, 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 1964 11c Intergovernmental Maritime Consultative Organization IMPERF PLATE PROOFS PAIR, Scott 124Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce. (2 proofs) (Image1)

Est. £70-80

UNITED NATIONS - NEW YORK OFFICES 1964 5c Education for Progress Campaign IMPERF PLATE PROOFS HORIZONTAL GUTTER PAIR, Scott 135Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce, only 20 gutter pairs produced. (2 proofs) (Image1)

Est. £100-120

UNITED NATIONS - NEW YORK OFFICES 1990 International Trade Centre IMPERF PLATE PROOFS PAIR with UN emblem in the margin, Scott 572Pl, 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 1986 22c Africa in Crisis IMPERF PLATE PROOFS PAIR, Scott 468Pl, 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 1992 29c UN Headquarters Definitive IMPERF PLATE PROOFS PAIR, Scott 614Pl, superb never hinged mint, fresh & attractive. (2 proofs) (Image1)

Est. £70-80

UNITED NATIONS - NEW YORK OFFICES 1974 Definitives IMPERF PLATE PROOFS PAIRS complete set, Scott 249Pl/251Pl, superb never hinged mint. Very fresh & scarce, only 50 pairs of 10c value produced. (3 pairs = 6 proofs) (Image1)

Est. £200-220

UNITED NATIONS - VIENNA OFFICES 1987 5s Fight Drug Abuse - Football IMPERF PLATE PROOFS lower right corner BLOCK of 4, Scott V70Pl, superb never hinged mint, with inked fingerprints on the reverse as a security device. Very fresh & scarce, only 50 produced. (4 proofs) (Image1)

Est. £140-160