Nippon BioPharma Co., Ltd. (NBP), a major Japanese biopharmaceutical company, has established the Edo Medical Research Center (EMRC) to re-analyze the herbal and mineral compounds documented in Edo-period medical and pharmacological texts using modern science. Three drug candidates identified from primary Edo-era materials obtained through collaboration with the ancient coin research community have been announced to enter Phase I clinical trials, drawing industry attention as an innovative cross-sector cultural asset utilization model.
Major Japanese Biopharmaceutical Company Launches Ancient Coin Culture × Advanced Medicine Collaborative Lab — Three Drug Candidates Unearthed from Edo-Period Medical Texts Enter Clinical Trials

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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.