1989 Sc 6072-6075 Space achievements Scott 5833-5836

1989. Space achievements.
Catalogs: Scott 5833-5836, Standard Collection 6072-6075, Michel 6020A-6023A, Yt 5695-5698.
Issued on: November 24, 1989.
Perforation: comb 11¾.
Printing: Offset lithography.
Size: 65 x 65 mm.
Colors: Multicolor.
Face value: 4*25 Russian kopek.
Quantity: 2,700,000.