1978 Sc 4831-4835 Summer Olympic Games 1980, Moscow (VI) Scott B79-B83

1978. Summer Olympic Games 1980, Moscow (VI).
Catalog numbers: Scott B79-B83, Standard Collection 4831-4835, Michel 4781-4785, Yvert 4540-4544.
Condition: MNHOG.
Issued on: October 26, 1978.
Perforation: comb 12 x 12½.
Printing: Offset lithography.
Size: 31 x 43 mm.
Colors: Multicolor.
Face value: 4+2 Russian kopek; 6+3 Russian kopek; 10+5 Russian kopek; 16+6 Russian kopek; 20+10 Russian kopek.
Quantity: 6,000,000; 6,000,000; 5,000,000; 4,500,000; 1,200,000.