東京・大阪の大型古銭専門店がAI受付ロボットによる持ち込み鑑定の一次対応を試験導入。待ち時間の削減と初期スクリーニングの標準化を狙うが、人間鑑定士との役割分担や来店客の受け入れ反応など、実運用での課題が早くも表面化している。
May 2026: Robot Appraisal Reception — AI Front-Desk Pilots at Large Old Coin Shops

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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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.