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Lot 674

First flights & commercial flights

Russia 1928 (May 9), Soviet Union, USSR Registered Air Mail Cover Moscow to Riga, Latvia. Franked with 1924 airmail set- Black surcharge on 1923 USSR Airmail (SU XVI) set of 4 values 5k-20k (MiNr: 267-270; Scott C6-C9; Yt. PA14-PA17; SG. 417-420) Deruluft air mail cachet. Arrival at Riga, 10.5.28.

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