1979 Sc 4921 Birth Centenary of John McClean Scott 4770

1979. Birth Centenary of John McClean.
Catalogs: Scott 4770, Standard Collection 4921, Michel 4871, Yt 4621.
Issued on: August 29, 1979.
Perforation: frame 11½.
Printing: Photogravure.
Size: 28 x 40 mm.
Colors: Red, black.
Face value: 4 Russian kopek.
Quantity: 4,400,000.