1972 Sc 4076 Birth Centenary of Roald Amundsen Scott 3991

1972. Birth Centenary of Roald Amundsen.
Catalogs: Scott 3991, Standard Collection 4076, Mi 4026, Yt 3854.
Condition: MNHOG.
Issued on: July 13, 1972.
Perforation: comb 11½.
Printing: Photogravure.
Size: 40 x 28 mm.
Colors: Multicolor.
Face value: 6 Russian kopek.
Quantity: 2,600,000.