Live Bidding Auction #89

VLADIVOSTOK: 1922, 5th Anniversary of the October Revolution, inverted red overprints on 2k green, 4k carmine and 10k dark blue, each one in block of six (3x2), middle stamp of top row with curved feet of ''22'' (position 24 of not inverted 25-stamp setting), fresh quality, full OG with minor foxing, NH (two stamps of each block) or LH/hinged, VF and with high probability the largest existing multiples, Z. Mikulski certificates, C.v. $4,500 for hinged singles w/o variety