UNITED NATIONS NEW YORK OFFICES 1986 22c International Piece Year PROGRESSIVE COLOUR IMPERF PROOFS BLOCKS of 4 complete set, Scott 475PP, superb never hinged mint, plus IMPERF PLATE PROOFS BLOCK of 4, Scott 475Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce, only 50 of each produced. (5 blocks = 20 proofs)
UNITED NATIONS NEW YORK OFFICES 1986 22c International Piece Year PROGRESSIVE COLOUR IMPERF PROOFS BLOCKS of 4 complete set, Scott 475PP, superb never hinged mint, plus IMPERF PLATE PROOFS BLOCK of 4, Scott 475Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce, only 50 of each produced. (5 blocks = 20 proofs)
£300.00
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UNITED NATIONS NEW YORK OFFICES 1986 22c International Piece Year PROGRESSIVE COLOUR IMPERF PROOFS BLOCKS of 4 complete set, Scott 475PP, superb never hinged mint, plus IMPERF PLATE PROOFS BLOCK of 4, Scott 475Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce, only 50 of each produced. (5 blocks = 20 proofs)