1975 Sc 4452. Space Flight of “Soyuz-18”. Scott 4368

1975. Space Flight of “Soyuz-18”.
Catalogs: Scott 4368, Standard Collection 4452, Michel 4402, Yt 4185.
Issued on: 1975-09-12.
Perforation: comb 12 x 12½
Printing: Photogravure
Size: 55.5 x 26 mm
Colors: Multicolor
Face value: 10 Russian kopek
Print run: 6,600,000