1964 Sc 2937 Full sheet. Soviet Stratonauts Scott 2888

1964. Soviet Stratonauts.
Condition: MNHOG.
Catalog numbers: Scott 2888, Standard Collection 2937, Michel 2901A.
Issued on: April 12, 1964.
Format: Full sheet 10×5.

Perforation: comb 11½.
Printing: Photogravure.
Colors: Multicolor.
Face value: 50*10 Russian kopek.
The sheet could be folded by perforation.