古こ銭せん

noun

old coin; ancient coin

Refers to coins from past eras, often collected or studied for their historical value.

• 祖そ父ふは古こ銭せんを集あつめるのが趣しゅ味みだ。

  My grandfather's hobby is collecting old coins.

• この古こ銭せんは江え戸ど時じ代だいのものだ。

  This old coin is from the Edo period.