1957 Sc 2011 First Artificial Satellite Scott 2021

1957. First Artificial Satellite.
Catalog numbers: Scott 2021, Standard Collection 2011, Mi 2026, Yt 1967.
Issued on: November 28, 1957.
Perforation: comb 12 x 12¼.
Printing: Offset lithography.
Colors: Multicolor.
Face value: 40 Russian kopek.
Quantity: 110,000.