Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia and Soviet Union - 1924, black surcharge 10k on ''Fokker F.III'' 5r green, wide ''5'' variety, 3mm strip of skipped gum at bottom, otherwise large part of OG with minor usual waves, NH, VF, C.v. $2,250,Scott #C7a