Image #1
WORLDWIDE AIR POST STAMPS AND POSTAL HISTORY
SOVIET RUSSIA (RSFSR AND SOVIET UNION)
Lot #
1142 | 
| Scott # C24, C25
| 1937 (June 3), Pioneer Flight registered cover from Bryansk to Czechoslovakia (Carpatho-Ukraine), franked by 7 stamps (two on reverse), including Construction of Airship 1r green and Airship over the Dnieper Dam engraved 15k gray in block of four, Mukachevo "8.6.37" arrival marking, VF and scarce franking and destination, Est. $300-$400 . |