1940 Sc 639 Polar Driftage of Soviet Icebreaker “Sedov” Scott 775

1940. Polar Driftage of Soviet Icebreaker “Sedov”.
Catalog numbers: Scott 775, Standard Collection 639, Michel 744.
Issued on: April, 1940.
Perforation: comb12¼.
Printing: Photogravure.
Colors: Multicolor.
Face value: 1 ₽.
Quantity: 300,000.