The auction house hired a numismatist to appraise the rare coins before the sale.

拍賣公司在拍賣前聘請了一位錢幣收藏家來鑑定這批稀有錢幣。

Our insurance agent asked a certified numismatist to confirm the collection's market value.

我們的保險業務員請一位認證的錢幣收藏家確認這批收藏的市值。

During the conference trip, several numismatists visited the national museum's coin exhibit.

研討會出差期間，幾位錢幣收藏家參觀了國家博物館的錢幣展。