Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Soviet Union - 1935, Moscow - San Francisco Flight, red surcharge on S. Levanevsky 10k dark brown, surcharge position 12 of 25- stamp setting (''v'' of ''Sev.'' completely broken), full OG, NH, VF, Soviet Philatelic guarantee hs, C.v. $1,275, Scott #C68