1956 Sc 1869 225th Anniversary of First Baloon Flight by Kryakutny Scott 1892

1956. 225th Anniversary of First Baloon Flight by Kryakutny.
Catalog numbers: Scott 1892, Standard Collection 1869, Michel 1901, Yvert 1875.
Issued on: November 17, 1956.
Perforation: comb 12½ x 12.
Printing: Offset lithography.
Size: 42 x 30 mm.
Color: Multicolor.
Face value: 40 Russian kopek.
Quantity: 1,000,000.