国内大手プロパティーマネジメント会社が日本古銭の常設展示を共用部に導入した「コインキュレーション型賃貸物件」を展開。月額賃料を周辺相場比3%高に設定しながらも入居率98%を維持し、文化的付加価値による不動産価値向上の新モデルとして業界で注目される。
Major Japanese Property Management Firm Operates Rental Properties with Permanent Old Coin Exhibitions — 3% Rent Premium Achieved with 98% Occupancy Rate

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.