UNITED NATIONS VIENNA OFFICES 1996 1s UN Flag and 10s Abstract Definitives PROGRESSIVE COLOUR IMPERF PROOFS PAIRS complete sets, Scott V194PP & V195PP, superb never hinged mint, very fresh & scarce. (16 pairs = 32 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)