古こ銭せん学がく者しゃMeanings1nounnumismatistA scholar or expert who studies coins and currency, often from a historical perspective.彼かれは有ゆう名めいな古こ銭せん学がく者しゃで、古こ代だいローマの硬こう貨かを専せん門もんにしている。He is a famous numismatist, specializing in ancient Roman coins.
