1981 Sc 5115 Centenary of Invention of Welding Scott 4934

1981. Centenary of Invention of Welding.
Catalog numbers: Scott 4934, Standard Collection 5115, Michel 5065, Yvert 4807.
Condition: MNHOG.
Issued on: May 12, 1981.
Perforation: frame 11½.
Printing: Photogravure and Recess.
Size: 40 x 28 mm.
Colors: Multicolor.
Face value: 6 Russian kopek.
Quantity: 3,000,000.