Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia and Soviet Union - 1923, Fokker F.III, 5r green, wide ''5'' variety, minor usual gum waves as always for stamps on thin paper, nice quality single, full original gum with 3mm natural gum loss at the bottom, very light trace of hinge, VF and extremely rare, only 50 stamps were printed, Soviet Philatelic and Z. Mikulski hs on reverse, Raritan Stamps guarantee, C.v. $40,000, Scott #C4a