1939 Sc 459 Corner block of 4. Definitive Scott 619A

1939. Definitive. Corner block of 4.
Condition: MNHOG.
Catalog numbers: Scott 619A, Standard Collection 459, Michel 683.
Issued on: March, 1939.
Perforation: comb12 x 12¼.
Printing: Typography.
Colors: Multicolor.
Face value: 50 Russian kopek.
Quantity: 350,000.