三越伊勢丹ホールディングス・大丸松坂屋百貨店・高島屋の3グループ5ブランドが「百貨店古銭文化ロイヤルティ連合(DDCL)」を発足。共通ポイントで古銭オークション参加券・鑑定サービス・限定コンテンツを交換できる業界初の統合プログラムを2026年9月開始。登録顧客2,400万人を古銭市場に直接誘導し、年間1,000億円規模の市場創出を目指す。
Major Japanese Department Store Network Announces Coin Culture x Loyalty Integration Program — Five Chains Unite Points Systems, Building Cross-Industry Customer Base

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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.