1950 Sc 1497-1499 Ivan Aivazovsky Scott 1529-1531

1950. Ivan Aivazovsky.
Catalog numbers: Scott 1529-1531, Standard Collection 1497-1499, Michel 1522-1524, Yvert 1507-1509.
Issued on: December 6, 1950.
Perforation: line 12¼.
Printing: Typography.
Color: Multicolor.
Face value: 40 Russian kopek; 50 Russian kopek; 1 ₽.
Quantity: 500,000; 500,000; 500,000.