国内大手スマホメーカー「テクノアーツ」が、古銭収納ケースにNFCタグを内蔵した「CoinLink」シリーズを発売。専用スマホアプリと連動し、自宅保管コインの分類・評価額・プロビナンス情報をワンタップで管理できる。コレクター向けIoT周辺機器として月販5万個を達成し、古銭市場のデジタル化を牽引している。
Japan's Leading Smartphone Maker Launches Old Coin Culture × NFC-Linked Coin Case — Home-Stored Coins Manageable via Smartphone, Targeting Collector Industry New Standard at 50,000 Monthly Units

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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.