1977 Sc 4691 BL 123. Journey to North Pole of “Arktika”. Scott 4586

1977. Journey to North Pole of “Arktika”.
Catalogs: Scott 4586, Standard Collection 4691 BL 123, Michel BL 120, Yt BF 120.
Issued on: 1977-09-15.
Perforation: frame 12½ x 12
Printing: Offset lithography
Size: 107 x 80 mm
Colors: Multicolor
Face value: 50 Russian kopek
Print run: 500,000