1978 Sc 4793 Snow Petrel Scott 4680

1978. Snow Petrel.
Catalog numbers: Scott 4680, Standard Collection 4793, Michel 4743, Yvert 4499.
Issued on: July 20, 1978.
Perforation: comb 12¼ x 12.
Printing: Offset lithography.
Size: 37 x 52 mm.
Colors: Multicolor.
Face value: 3 Russian kopek.
Quantity: 8,300,000.