1956 Sc 1768-1770 World’s First Nuclear Power Plant Scott 1794-1796

1956. World’s First Nuclear Power Plant.
Catalog numbers: Scott 1794-1796, Standard Collection 1768-1770, Mi 1802-1804, Yt 1779-1781.
Issued on: January 31, 1956.
Perforation: comb 12½ x 12.
Printing: Offset lithography.
Colors: Multicolor.
Face value: 25 Russian kopek; 60 Russian kopek; 1 ₽.
Quantity: 1,000,000; 1,000,000; 1,000,000.