1980 Sc 5044-5046 Soviet-Cuban Space Flight Scott 4865-4867

1980. Soviet-Cuban Space Flight.
Catalogs: Scott 4865-4867, Standard Collection 5044-5046, Michel 4994-4996, Yt 4733-4735.
Issued on: September 19, 1980.
Perforation: comb 12 x 12½.
Printing: Offset lithography.
Size: 37 x 52 mm.
Colors: Multicolor.
Face value: 6 Russian kopek; 15 Russian kopek; 32 Russian kopek.
Quantity: 6,500,000; 5,300,000; 4,400,000.