Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia and Soviet Union - 1930, Zeppelin stamp of 80k carmine with retouched right ''8'' at the bottom, perforation 12½, used on Return Zeppelin Moscow Flight cover together with another air post stamp, tied by special Flight ''10-IX-30'' ds, two line confirmation cachet and Friedrichshafen ''11.9.30'' arrival marking, minor reversal imperfection, still VF, Scott #C13 var