UNITED NATIONS - NEW YORK OFFICES 1987 22c Trygve Halvdan Lie IMPERF PLATE PROOFS PAIR, Scott 494Pl, superb never hinged mint. Very fresh & scarce, only fifty produced. (2 proofs) (Image1)

Est. £70-80

UNITED NATIONS - NEW YORK OFFICES 1996 50c Sport and the Environment - Women's Volleyball PROGRESSIVE COLOUR IMPERF PROOFS PAIRS complete set, Scott 684PP, plus IMPERF PLATE PROOFS PAIR, Scott 684Pl, superb never hinged mint. Very fresh & scarce. (9 pairs = 18 proofs) (Image1)

Est. £230-250

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 33c Fight Drug Abuse IMPERF PLATE PROOFS BLOCK of 4, Scott 498Pl, superb never hinged mint, with inked fingerprints on the reverse as a security devise, very fresh & scarce. (4 proofs) (Image1)

Est. £140-160

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 1968 6c UN Secretariat IMPERF PLATE PROOFS PAIR, Scott 181Pl, 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 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 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 - VIENNA OFFICES 1982 5s Human Environment IMPERF PLATE PROOFS PAIR, Scott V25PL, superb never hinged mint, with inked fingerprints on the reverse as a security device, very fresh & scarce, only 50 produced. (2 proofs) (Image1)

Est. £70-80