国内大手データセンター事業者「株式会社アーカイブクラウドジャパン」が、日本古銭・文化財のデジタルデータを永続保存する専用クラウドサービス「CoinVault Archive Cloud」を正式提供開始。国内3拠点による完全冗長化と最長100年保証の保管契約により、博物館・研究機関・オークションハウスの大規模アーカイブニーズに応える。
Japan's Leading Data Center Operator Launches Dedicated Cloud for Antique Coin Digital Archives — Three Domestic Sites Provide Redundant Permanent Preservation of Cultural Asset Data

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.
Free Appraisal
Get your old coins appraised — free of charge
Edo-era silver, koban, commemorative medals, foreign coins and more — just upload a photo. Our specialists reply with an estimated valuation by email within 2–3 business days.
Request a free appraisalDealers
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.