2011 Sc 1462 M.V.Keldysh Scott 7254

2011. M.V.Keldysh.
Condition: MNHOG.
Catalogs: Scott 7254, Standard Collection 1462, Michel 1694.
Issued on: January 25, 2011.
Size: 42 x 30 mm.
Perforation: comb 12½ x 12.
Printing: Offset lithography.
Colors: Multicolor.
Face value: 12 ₽.
Quantity: 270,000.