1978 Sc 4831 Sailingboat Star-Class Scott B79

1978. Sailingboat Star-Class.
Catalog numbers: Scott B79, Standard Collection 4831, Michel 4781, Yvert 4540.
Issued on: October 26, 1978.
Perforation: comb 12 x 12½.
Printing: Offset lithography.
Size: 31 x 43 mm.
Colors: Multicolor.
Face value: 4+2 Russian kopek.
Quantity: 6,000,000.