O12-O15 F-VF NH, 1960-1962 an estimated (90,000) complete sets of O12-14, most in full sheets plus (89) O15 Blk, prior to the 1980s O15 was quite scarce and was formerly priced for 600 DM by Michel & the original Royal Philatelic certificate is included, current est total CV in excess of $75,000 -- likely one of the larger holdings of these stamps in North America (Image)

Est. $300-400 L