Zeppelin over Tuva, Airmail stamps issued for use in Tuva in 1936 as two of a set of nine stamps commemorating the 15th anniversary of Tuvan's Peoples Republic:

I have the green 75 Kop value on a registered cover sent by the Soviet Philatelic Association to a stamp company in New York, USA. It cancelled with Kyzyl postmark on February 12, 1937. Arrival postmarks were applied in NY post office on March 14 and March 15, 1937.

