1941 Sc 691A Technics & industry Scott 821

1941. Technics & industry.
Catalog numbers: Scott 821, Standard Collection 691A, Michel 790A.
Issued on: January, 1941.
Perforation: line12½.
Printing: Photogravure.
Colors: Multicolor.
Face value: 50 Russian kopek.
Quantity: 2,000,000.