Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia And Soviet Union - Collections - BALANCE OF AIR MAIL POSTAL HISTORY AND AIR POST STAMPS USAGE: 1924-38, 13 covers, starting with cover prepared for the First Flight from Simferopol to Moscow of 1924, two covers to Germany franked by The Hague Postal Conference (#C10-11), two covers delivered on line Leningrad-Berlin with special line cancellation, cover to Paris franked with 1r imperf from Aviation Exhibition souvenir sheet and more, all arranged on pages from a Collection, minor flaws mentioned, F/VF, Est. $400-$500, Scott #C6/C75