1932 Sc 307 Broadcasting system in the USSR Scott 477

1932. Broadcasting system in the USSR.
Catalog numbers: Scott 477, Standard Collection 307, Michel 419X.
Issued on: October 10, 1932.
Perforation: line12¼.
Printing: Collotype.
Colors: Multicolor.
Face value: 30 Russian kopek.
Quantity: 200,000.