1951 Sc 1548 Sofia V. Kovalevskaya Scott 1570

$6.00

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1951. Sofia V. Kovalevskaya.
Catalogs: Scott 1570, Standard Collection 1548, Michel 1578.
Issued on: 1951.
Perforation: line 12½.
Printing: Photogravure.
Face value: 40 Russian kopek.