Bidspirit auction | Soviet Union Stamps of 1924-40

Soviet Union Stamps of 1924-40 - 1929-31, the third definitive issue, 1k-80k and 1r-3r, complete set of 17 in blocks of four, including 1r deep blue on watermarked Lozenges paper, 30k with some gum adhesion, generally nice quality unit, full OG, NH (two stamps of 30k and 50k blocks are hinged), mainly VF, Est. $400-$600, Sc. #413-26, 436-37