1956 Sc 1804 Vladimir Arsenyev, Russian explorer of the Far East Scott 1825

1956. Vladimir Arsenyev, Russian explorer of the Far East.
Catalog numbers: Scott 1825, Standard Collection 1804, Michel 1835, Yvert 1811.
Issued on: June 15, 1956.
Perforation: comb 12 x 12½.
Printing: Offset lithography.
Size: 30 x 42 mm.
Color: Multicolor.
Face value: 40 Russian kopek.
Quantity: 500,000.