2014 Sc 1816-1819 History of Aviation, Aerial ramming Scott 7521-7524

2014. History of Aviation, Aerial ramming.
Condition: MNHOG.
Catalogs: Scott 7521-7524, Standard Collection 1816-1819, Michel 2033-2036.
Issued on: April 18, 2014.
Size: 65 x 32.5 mm.
Perforation: comb 13½.
Printing: Offset lithography.
Colors: Multicolor.
Face value: 4*15 ₽.
Quantity: 280,000; 280,000; 280,000; 280,000.