Japan 1939 (S14) 10 sen

from the Mountain Groan Collection

This specimen was struck for Japan by the Tokyo mint, which issued this type 1938-40. Until 1907, the ten sen was a silver coin the size of a dime. It was copper-nickel 1920-32, pure nickel 1933-37, aluminum bronze 1938-40 and aluminum 1940-43. The denomination was terminated after 1946, the victim of inflation and the disaster of World War Two.

Recorded mintage: 121,500,000.

Specification: 4.00 g, aluminum bronze, 22 mm diameter.

Catalog reference: KM Y58.

Source:

• Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1901-2000, 47th ed., Iola, WI: Krause Publications, 2019.
• The Catalog of Japanese Coins and Banknotes, Tokyo: JNDA (Japanese Numismatic Dealers Assn.), 2014.

Link to:

• 1917 silver 10 sen
• 1935 nickel 10 sen
• 1939 sen
• 1940 aluminum 10 sen
• Coins and currency dated 1939