国内大手航空会社が全国際線の機内エンターテイメントを刷新し、日本古銭文化ドキュメンタリー15本を6言語で配信開始。年間1,200万人の海外旅客に古銭文化を発信し、インバウンド需要と国際市場参加者の拡大を目指す画期的な取り組み。
Major Domestic Airline Refreshes Antique Coin Cultural In-Flight Entertainment — 15 Multilingual Documentaries Launched on All International Routes, Accelerating Global Outreach

ITTENDO tracks auction records and market charts so you always know the current value of Japanese antique coins. Add coins to your Vault to stay on top of price changes.
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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.