宇宙関連スタートアップの株式会社スターコインが、日本古銭文化を低軌道衛星(LEO)経由で世界発信するプロジェクト「COIN ORBIT」を発表した。2026年末打ち上げ予定の小型衛星群から古銭に関連する文化・歴史メッセージを全世界へ同時配信し、訪日観光客・海外コレクター向けのデジタルパスポートと連携する計画。文化庁・JAXA との連携協定も締結予定で、古銭文化の国際的なデジタルブランディングとして業界内外から大きな注目を集めている。
Japanese Space Startup Announces Numismatic Culture × LEO Satellite Project — Broadcasting Old Coin Heritage Messages Globally from Orbit

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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.