日本古銭商協同組合が中心となり、古銭鑑定基準の透明化・共通フォーマット策定プロジェクトが始動。国内9鑑定機関が参加し、コンディションスコアや偽造判定ロジックを含む共通仕様書の公開を目指す。
規制・制度
Japanese Old Coin Grading Standards to Open: Industry Common Format Initiative Led by JCCD
Source: 日本古銭商協同組合・文化庁・国立歴史民俗博物館|Published: May 23, 202612d ago
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#規制・制度
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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.
Auction House
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.
Auction House
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.
Auction House
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.