1980 Sc 5014-5016 Soviet-Hungarian Space Flight Scott 4835-4837

1980. Soviet-Hungarian Space Flight.
Catalogs: Scott 4835-4837, Standard Collection 5014-5016, Michel 4964-4966, Yt 4703-4705.
Issued on: June 04, 1980.
Perforation: comb 11¾.
Printing: Offset lithography.
Size: 33 x 65 mm.
Colors: Multicolor.
Face value: 6 Russian kopek; 15 Russian kopek; 32 Russian kopek.
Quantity: 6,500,000; 5,400,000; 4,400,000.