国内大手不動産仲介・三都ホームズが古銭コレクター向け「蔵番邸」住宅プランを発表。江戸風外観+IoT防湿庫の新築モデルが全国12都市で展開し、居住と収集を融合した新ライフスタイルを提案する。
Major Japanese Real Estate Firm Launches Warehouse-Equipped Housing Plan for Old Coin Enthusiasts — Edo-Style Design with IoT Humidity Control Proposes New Collector Lifestyle

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.