1951 Sc 1520-1521 Dmitry Furmanov Scott 1548-1549

1951. Dmitry Furmanov.
Catalog numbers: Scott 1548-1549, Standard Collection 1520-1521, Michel 1555-1556, Yvert 1538-1539.
Issued on: March 17, 1951.
Perforation: line 12½.
Printing: Photogravure.
Colors: Multicolor.
Face value: 40 Russian kopek; 1 ₽.
Quantity: 2,000,000; 1,000,000.