1961 SC 2553-2555. 250th anniversary of the birth of M.V.Lomonosov. Scott 2544-2546

1961. To the 250th anniversary of the birth of M.V.Lomonosov.
Catalog numbers: Scott 2544-2546, Standard Collection 2553-2555, Michel 2550-2552, Yvert 2478-2480.
Perforation: comb 11½ x 12; frame 11½ x 12; comb 12 x 11½.

Colors: Gray-dark blue, dark-brown and light-green. Dark-green, black and light yellow-brown. Red-brown, brown and grey.
Printing: Photogravure and Recess. Photogravure.

Print run: 2,500,000; 3,000,000; 2,000,000.