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Lot 3009 (#6351)
Est. £70 - £80
UNITED NATIONS - NEW YORK OFFICES 1972 8c Non-proliferation of Nuclear Weapons IMPERF PLATE PROOFS PAIR, Scott 227Pl, superb never hinged mint, with inked fingerprints on the reverse as security device. Very fresh & scarce, only 50 pairs produced. (2 proofs)