Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia And Soviet Union - 1924, Fokker F.III, black surcharge 10k on 5r green, basic stamp with wide ''5'' variety, full original gum with minor usual waves, previously hinged, VF, C.v. $1,250, Est. $800-$1,000 , Scott #C7a