国内大手リサーチ企業のグローバルマーケットリサーチジャパンが、世界の古銭・コイン収集マーケットを対象とした初の大規模動向レポートを公開した。国・地域別の市場シェア、直近5年間の成長率、新興プレイヤー台頭の実態を網羅し、国内業界関係者に「世界の中の日本古銭市場」という新たな視座を提供している。
Major Japanese Research Firm Publishes Global Ancient Coin Market Trend Report — Country/Region Shares, Growth Rates, and Emerging Players Covered

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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.