A single PCGS or NGC grade can double — or halve — the value of your antique coin. In 2026, subtle shifts in grading standards are sending quiet ripples through the Japanese antique coin market...
グレーディング
PCGS/NGC Grade Re-evaluation Moves the Japanese Antique Coin Market: 2026 Complete Guide
Source: ITTENDO Editorial|Published: May 27, 20267d ago
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#グレーディング#Gold Coin#Silver Coin
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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.
Auction House
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.
Auction House
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.
Auction House
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.