東京大学東洋文化研究所を幹事に国内外20機関が参加する「シルクロード貨幣比較研究プロジェクト」が始動。日本古代貨幣と中央アジア出土銭の比較研究を通じ、日本古銭の国際的位置づけが問い直される5年・8億円規模のプロジェクトが、希少な奈良〜平安初期銭への市場注目を加速させている。
Silk Road Reassessment — Japan-Central Asia Comparative Coin Research Project Launches with 20 Institutions

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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.