1939 Sc 615 Sanatorium Voroshilova Scott 751

1939. Sanatorium Voroshilova.
Catalog numbers: Scott 751, Standard Collection 615, Michel 720.
Issued on: December, 1939.
Perforation: line12½.
Printing: Collotype.
Colors: Multicolor.
Face value: 15 Russian kopek.
Quantity: 500,000.