古こ銭せん学がく

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Meanings

1

Academic study of coins and currency, especially historical coins.

彼かれは古こ銭せん学がくの専せん門もん家かで、江え戸ど時じ代だいの貨か幣へいに詳くわしい。
He is an expert in numismatics and is knowledgeable about Edo-period currency.

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