国内最大の職人マッチングプラットフォーム「ワザコネクト」が古銭修復専門カテゴリを開設。全国150名の職人を技術区分・資格・実績写真で検索可能にした結果、公開初月の成約件数が前年比3倍に達し、口コミ頼りだった修復市場のデジタル化が一気に進んだ。
Major Artisan Matching Platform Launches Old Coin Restoration Specialist Directory — 150 Craftsmen Listed Nationwide, First-Month Contracts Triple Year-on-Year

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.