1981 Sc 5149 150th Birth Anniversary of I.N.Ulyanov Scott 4968

1981. 150th Birth Anniversary of I.N.Ulyanov.
Catalogs: Scott 4968, Standard Collection 5149, Michel 5099, Yt 4834.
Issued on: July 25, 1981.
Perforation: frame 11½.
Printing: Photogravure and Recess.
Size: 28 x 40 mm.
Colors: Multicolor.
Face value: 4 Russian kopek.
Quantity: 3,900,000.