A Keicho Ichibuban gold coin — one of the most historically significant gold denominations of early Edo-period Japan — sold for $48,000 (buyer's premium included) at Heritage Auctions' May 2026 World & Ancient Coins Signature® Sale, far exceeding the pre-sale estimate of $22,000–$28,000. The PCGS AU-58-certified coin, believed to originate from a Japanese private collection consigned through an overseas dealer in 2024, attracted intense bidding from North American and European collectors. The result underscores a structural expansion in overseas appetite for Japanese numismatic gold, driven by yen weakness, growing trust in PCGS-certified Japanese coins, and rising global awareness of Edo-period monetary heritage.
Heritage Auctions May 2026: Keicho Ichibuban Gold Coin Sells for $48,000 — Overseas Demand for Edo-Period Gold Surges

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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.