1977 SC 4692-4696ML Summer Olympic Games 1980, Moscow (III) Scott B67-B71

1977. Summer Olympic Games 1980, Moscow (III).
Condition: MNHOG.
Catalog numbers: Scott B67-B71, Standard Collection 4692-4696ML, Michel 4642-4646, Yvert 4395-4399.
Issued on: September 22, 1977.
Format: Mini sheet.
Perforation: comb 12½ x 12.
Printing: Offset lithography.
Colors: Multicolor.
Face value: 20*(4+2) Russian kopek; 20*(6+3) Russian kopek; 20*(10+5) Russian kopek; 20*(16+6) Russian kopek; 20*(20+10) Russian kopek.