EC大手3社が古銭真贋保証付きマーケットプレイス「HONSEN」を共同設立。出品前鑑定義務化・統一コインIDで流通標準化を図り、従来の競売・専門店ルートとは異なる大衆向け流通インフラを構築する。業界構造の転換点となる可能性がある。
テクノロジー・マーケット
May 2026: Three Major E-Commerce Platforms Launch Joint Authenticated Coin Marketplace — Certified Platform Set to Institutionalize Japanese Old Coin Trade
Source: HONSEN運営委員会・参加EC3社合同プレスリリース|Published: May 23, 202612d ago
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#テクノロジー・マーケット
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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.
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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.
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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.
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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.