Sovjet Union
![Soviet Union 1938](/image/148961/base250X250/soviet-union-1938-sovjet-first-nonstop-transpolar-flight-20-k.jpg)
Soviet Union, Cancelled
1938. Sovjet. First nonstop Transpolar flight. 20 K.
MICHEL 596
![Soviet Union 1938](/image/148962/base250X250/soviet-union-1938-sovjet-first-nonstop-transpolar-flight-40-k.jpg)
Soviet Union, Cancelled
1938. Sovjet. First nonstop Transpolar flight. 40 K.
MICHEL 597
![Soviet Union 1938](/image/148963/base250X250/soviet-union-1938-sovjet-first-nonstop-transpolar-flight-40-k.jpg)
Soviet Union, Cancelled
1938. Sovjet. First nonstop Transpolar flight. 40 K.
MICHEL 598
![Soviet Union 1938](/image/148964/base250X250/soviet-union-1938-sovjet-first-nonstop-transpolar-flight-10-k.jpg)
Soviet Union, Cancelled
1938. Sovjet. First nonstop Transpolar flight. 10 K.
MICHEL 599
![Soviet Union 1938](/image/148965/base250X250/soviet-union-1938-sovjet-first-nonstop-transpolar-flight-20-k.jpg)
Soviet Union, Cancelled
1938. Sovjet. First nonstop Transpolar flight. 20 K.
MICHEL 600
![Soviet Union 1938](/image/148966/base250X250/soviet-union-1938-sovjet-first-nonstop-transpolar-flight-50-k.jpg)
Soviet Union, Cancelled
1938. Sovjet. First nonstop Transpolar flight. 50 K.
MICHEL 601
![Soviet Union 1939](/image/148972/base250X250/soviet-union-1939-sovjet-taras-schewtschenko-30-k-interesting-cancel.jpg)
Soviet Union, Cancelled
1939. Sovjet. Taras Schewtschenko 30 K. Interesting cancel.
MICHEL 696