1957 Sc 1905 Centenary of “Red Proletariat” Plant Scott 1915

1957. Centenary of “Red Proletariat” Plant.
Catalog numbers: Scott 1915, Standard Collection 1905, Mi 1923, Yt 1899.
Issued on: March 15, 1957.
Perforation: comb 12 x 12½.
Printing: Offset lithography.
Colors: Multicolor.
Face value: 40 Russian kopek.
Quantity: 1,000,000.