1934 Sc 376-380 Soviet Airships Scott C53-C57

1934. Soviet Airships.
Catalogs: Scott C53-C57, Standard Collection 376-380, Michel 483X-487X.
Issued on: October 20, 1934.
Perforation: line 13¾.
Printing: Collotype.
Colors: Multicolor.
Face value: 5 Russian kopek; 10 Russian kopek; 15 Russian kopek; 20 Russian kopek; 30 Russian kopek.