Major domestic ML research lab DCTL and a national museum consortium have released 'EraRestore-v1', an AI model restoring 5,000 Edo-Meiji era paintings and ukiyo-e to 4K resolution, potentially enhancing research environments for old coin collectors.
Major Japanese ML Research Lab Co-Develops AI Model for Digital Restoration of Old Coin Era Paintings and Ukiyo-e — 5,000 Works Restored in High Resolution via National Art Museum Partnership

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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.