1950 Sc 1426 May Day Scott 1458

1950. May Day.
Catalog numbers: Scott 1458, Standard Collection 1426, Michel 1461, Yvert 1444.
Issued on: April 28, 1950.
Perforation: line12½.
Printing: Collotype.
Colors: Multicolor.
Face value: 40 Russian kopek.
Quantity: 1,498,000.