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Old Kan'ei Tsūhō (Ko-Kan'ei)

古寛永通宝（ko-kan'ei tsūhō）

Series
Classification within Kan'ei Tsūhō (catalog usage)
Denomination
1 mon
Period
Collector classification for castings before the "new Kan'ei" of 1668 (catalog)

Updated: 2026-09-02

Specifications (as confirmed)

ItemValueTypeSources
Basis of the classification新寛永=1668年（図録）Catalog value[1],[2]

FACTThe catalog labels the 1668 issue "new Kan'ei"; the classification of earlier castings as "old Kan'ei" is established in specialist coin registers (e.g., Kan'ei Tsūhō Sempu: Ko-Kan'ei volumes; 28 NDL entries).[1],[2]

Historical Context

Open Items

INTERPRETATIONSpecifications not stated here (weight, fineness, mintage, etc.) are not yet confirmed in the sources consulted. They will be added as they are confirmed.

Auction Records

No auction records confirmed for this exact type yet. Prices for the broader category are not shown as this type's prices. Confirmed records will be listed here.

References

  1. [1]「貨幣博物館 常設展示図録（江戸の銭貨）」（日本銀行金融研究所 貨幣博物館） — https://www.imes.boj.or.jp/cm/collection/tenjizuroku/mod/book/pageindices/index51.html（accessed: 2026-09-02）
  2. [2]「NDLサーチ 書誌照合（28件・寛永通寶銭譜 古寛永之部）」（国立国会図書館） — https://ndlsearch.ndl.go.jp/search?cs=bib&keyword=古寛永（accessed: 2026-09-02）