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.
Free Appraisal
Edo-era silver, koban, commemorative medals, foreign coins and more — just upload a photo. Our specialists reply with an estimated valuation by email within 2–3 business days.
Request a free appraisalDealers
A reference when considering a sale or appraisal. All are dealers and auction houses with a proven track record.
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.
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.
Tokyo
A membership-based coin dealer known for carefully selected, quality inventory.