1951 Sc 1577 Mikhail V. Ostrogradsky Scott 1604

1951. Mikhail V. Ostrogradsky.
Catalog numbers: Scott 1604, Standard Collection 1577, Michel 1607, Yvert 1590.
Issued on: December 10, 1951.
Perforation: line 12¼.
Printing: Photogravure.
Colors: Multicolor.
Face value: 40 Russian kopek.
Quantity: 1,000,000.