Japan 1919 (T8) sen

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from the Mountain Groan Collection
Japan T8 sen rev DSLR.jpg

This one sen was struck in Japan during the reign of the Taisho emperor, Yoshihito (1912-26). The type was struck 1916-24; this date is common. Prior to the opening of Japan in the 1850's and 1860's, Japanese coins were a mix of Chinese-style cast copper cash, silver rectangular "bu" and rare, gold "oban." The last one sen coin was issued in 1945, as B-29's rained death on Japanese cities.

Recorded mintage: 209,959,359.

Specification: 3.75 g, bronze, 23 mm diameter.

Catalog reference: KM Y42.


  • 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.

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