1956 Sc 1852 Cow herd on a pasture Scott 1873

1956. Cow herd on a pasture.
Catalog numbers: Scott 1873, Standard Collection 1852, Michel 1880.
Issued on: October 4, 1956.
Perforation: line12½.
Printing: Offset lithography.
Colors: Multicolor.
Face value: 40 Russian kopek.
Quantity: 1,000,000.