国立公文書館が貨幣史一次史料の横断検索ポータル「Komonjo Coin Archive」を公開。江戸幕府銭座文書・明治造幣局資料約18万点がデジタル化され、コレクター・研究者が無料でアクセス可能になった。
policy
May 2026: National Archives Partnership Portal Launches — Edo and Meiji-Era Government Documents and Currency Records Unified in Single Search Platform
Source: 国立公文書館・デジタルアーカイブ推進室プレスリリース|Published: May 23, 202612d ago
Share this article
#policy#Record Price
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
Get your old coins appraised — free of charge
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
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.