Bidspirit auction | Soviet Union Stamps of 1924-40

Soviet Union Stamps of 1924-40 - 1937, Alexander Pushkin, 10k orange brown, bottom sheet margin single with perforation L13¾, imperforated at bottom, full OG, previously hinged, VF and very scarce perforation error, Soviet Philatelic guarantee hs, Est. $300-$400 , Sc. #590D var