国内リサイクル業界最大手団体「日本資源循環連合会」が、廃棄予定または価値不明の古銭・古貨幣を対象とした素材リサイクル制度「コイン資源化プログラム」を2026年5月に正式発足させた。古銭業界・学術機関・地方自治体の三者連携による第三セクター方式で運営し、銅・銀・錫などを含む古銭を回収・分析・素材分離して製造業原料として再資源化する。文化財価値の審査と素材回収を両立させる画期的な仕組みが業界内外から注目を集めている。
Japan's Leading Recycling Industry Association Launches Antique Coin Material Recovery Program — Copper and Silver-Bearing Coins Diverted from Waste Stream via Third-Sector Initiative

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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.