1957 Sc 1906-1913 Fauna of USSR Scott 1916-1923

1957. Fauna of USSR.
Catalog numbers: Scott 1916-1923, Standard Collection 1906-1913, Michel 1924-1929, 2027-2028, Yt 1904-1909, 1903C, 1904A.
Issued on: December 6, 1957.
Perforation: comb 12 x 12½.
Printing: Offset lithography.
Colors: Multicolor.
Face value: 10 Russian kopek; 15 Russian kopek; 15 Russian kopek; 20 Russian kopek; 30 Russian kopek; 30 Russian kopek; 40 Russian kopek; 40 Russian kopek.
Quantity: 8*2,000,000.