1925 (28 July) registered and flown cover from Tashkent to Berlin, attractively franked on both sides, with regular issues and air post adhesives, supplemented by three different charity labels, registry handstamp with name filled in by hand, Moscow transit and Berlin arrival pmks, fine and colorful cover (Image)

Est.$250

1931 (8 June) cover addressed to New York, franked with perforated set of five, with Moscow cancel on back, v.f. (Image)

Est.$150

1932 (14 Aug) Moscow to Vladivostok first flight cover, registered and backstamped on arrival, forwarded to Canada, via Berlin, with Northport arrival, returned to sender, with various additional transit and arrival markings on back, fine and well traveled cover (Image)

Est.$500