2009 Sc 1320-1323 Russian Nuclear Ice-Breakers Scott 7143-7146

2009. Russian Nuclear Ice-Breakers.
Condition: MNHOG.
Catalogs: Scott 7143-7146, Standard Collection 1320-1323, Michel 1552-1555.
Issued on: June 18, 2009.
Perforation: comb 12 x 11½.
Printing: Offset lithography.
Colors: Multicolor.
Face value: 7 ₽; 8 ₽; 9 ₽; 10 ₽.
Quantity: 800,000; 800,000; 800,000; 800,000.