1972 Sc 4049 Birth Centenary of L.V.Sobinov Scott 3966

1972. Birth Centenary of L.V.Sobinov.
Catalogs: Scott 3966, Standard Collection 4049, Mi 3999, Yt 3830.
Condition: MNHOG.
Issued on: April 20, 1972.
Perforation: comb 12½ x 12.
Printing: Photogravure.
Size: 42 x 30 mm.
Colors: Multicolor.
Face value: 10 Russian kopek.
Quantity: 2,800,000.