Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia And Soviet Union - 1932, Airship over the Dnieper Dam, 15k gray black, engraved printing, perforation 12½, complete sheet of 40 (5x8), post office fresh, full OG. NH, VF, C.v. $480++, Est. $400-$450 , Scott #C25