1980 Sc 5018-5022 Valuable species of fur-bearing animals Scott 4838-4842

1980. Valuable species of fur-bearing animals.
Catalogs: Scott 4838-4842, Standard Collection 5018-5022, Michel 4968-4972, Yt 4706-4710.
Issued on: June 25, 1980.
Perforation: comb 12 x 12½.
Printing: Offset lithography.
Size: 30.5 x 43 mm; 43.5 x 30 mm.
Colors: Multicolor.
Face value: 2 Russian kopek; 4 Russian kopek; 6 Russian kopek; 10 Russian kopek; 15 Russian kopek.
Quantity: 9,600,000; 9,000,000; 8,200,000; 6,200,000; 5,500,000.