1978 Sc 4857 140 Days in Space Scott 4720

1978. 140 Days in Space.
Catalogs: Scott 4720, Standard Collection 4857, Michel 4803, Yt 4566.
Issued on: December 20, 1978.
Perforation: frame 11½ x 12.
Printing: Photogravure.
Size: 52 x 37 mm.
Colors: Multicolor.
Face value: 10 Russian kopek.
Quantity: 5,000,000.