Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia and Soviet Union - 1922-27, red Airplane overprint (pair), unissued Fokker F.III issue in pairs, surcharges on Fokker F.III issue (singles), Hague Air Post Conference (singles), four complete issues, the total is 16 stamps, full OG, NH, VF, C.v. $344++, Est. $150-$200, Scott #C1-10