Аукцион Bidspirit | Soviet Union stamps of 1923-32

Soviet Union stamps of 1923-32 - 1927, Dr. Zamenhof, Creator of Esperanto, 14k yellow green and dark brown, bottom right corner sheet margin imperforated block of four, full OG, traces of hinges at four corners, leaving right pair is NH, tiny fingerprint on gum, VF, rare and nice looking item, C.v. $4,450 as singles, Sc. #374c