1938 Sc 531 Views of Crimea and Caucasus Scott 671

1938. Views of Crimea and Caucasus.
Catalog numbers: Scott 671, Standard Collection 531, Michel 630.
Issued on: September 21, 1938.
Perforation: line12¼.
Printing: Collotype.
Colors: Multicolor.
Face value: 15 Russian kopek.
Quantity: 4,100,000.