三菱UFJ・みずほ・三井住友の3メガバンクが古銭・古美術品の高額取引に特化したAMLガイドラインを共同策定。500万円超の取引を対象に顧客確認・申告出所の記録義務を求める内容で、古銭ディーラーやオークション会社に実質的な業務変更を迫る可能性がある。
Japan's Three Megabanks Jointly Draft AML Guidelines for High-Value Coin Transactions — Industry-First Banking Sector Standard

ITTENDO tracks auction records and market charts so you always know the current value of Japanese antique coins. Add coins to your Vault to stay on top of price changes.
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Dealers Handling This Category
A reference when considering a sale or appraisal. All are dealers and auction houses with a proven track record.
Ginza Coins
Ginza, Chuo-ku, Tokyo
One of Japan's most established numismatic dealers. The scale and variety of their regular auctions is among the largest in the country. Their catalogs are considered a benchmark for market pricing.
Japan Coin Auction (JCA)
Tokyo
Holds regular auctions with reliable hammer price data, making it a useful resource for tracking market values. Caters to a wide range of collectors from beginners to advanced buyers.
Taisei Coins
Tokyo
A dealer with an international network. Offers advanced services such as consignment to overseas auctions and NGC/PCGS grading submission. Recommended for high-value or internationally recognized coins.