国内大手地図サービス会社が江戸古地図と現代地図を重ね合わせた「古銭散歩マップ」専用レイヤーを正式公開。全国の古銭史跡・旧宿場町・造幣関連遺構をピン表示し、徒歩ナビと連動させた同レイヤーは2か月で月間利用50万人に到達し、歴史散歩ブームと古銭コレクター層の双方から支持を集めている。
Major Japanese Map Service Launches Ancient Coin Walking Map — Edo-Era Historical Overlay Proves Popular Among Pedestrians, Reaching 500,000 Monthly Users

ITTENDO tracks auction records and market charts so you always know the current value of Japanese antique coins. Add coins to your Vault to stay on top of price changes.
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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.