1956 Sc 1548I Sofia V. Kovalevskaya Scott 1570
$3.00
1956. Sofia V. Kovalevskaya.
Catalogs: Scott 1570, Standard Collection 1548I, Michel 1578.
Height: 32 mm.
Issued on: 1956.
Perforation: line 12½.
Printing: Photogravure.
Raster: square.
Face value: 40 Russian kopek.
