1975 Sc 4394 Cosmonautics Day Scott 4309

1975. Cosmonautics Day.
Catalogs: Scott 4309, Standard Collection 4394, Mi 4342, Yt 4130.
Condition: MNHOG.
Issued on: March 28, 1975.
Perforation: comb 11½ x 12.
Printing: Photogravure.
Size: 26 x 55 mm.
Colors: Multicolor.
Face value: 6 Russian kopek.
Quantity: 5,700,000.