2026年5月、古銭業界でデジタル画像の著作権問題が正面から議論され始めた。コイン写真の「誰が権利を持つか」は曖昧なまま放置されてきたが、デジタル化・ECの拡大により無視できない段階に入った。
業界動向
Japanese Old Coin License Management: Copyright Guidelines for Digital Images
Source: ITTENDO Editorial|Published: May 24, 202611d ago
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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.