Edwards Tea Co., Ltd., a major Japanese tea brand, has reconstructed a legendary tea recipe said to have been brought to Japan via Nanban trade in the late Edo period, using historical documents and antique coin research. The limited-edition 'Nanban Kocha: Edo no Shizuku' was released in collaboration with three heritage tea merchants, with a collector's set (gift tin + replica antique coin) selling out within 72 hours of pre-order launch.
Major Japanese Tea Brand Reconstructs Late Edo-Period Nanban Tea Recipe — Limited 20,000-Bottle Release with Three Legacy Tea Merchants Draws Cross-Industry Attention

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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.