Kan’ei Tsūhō(寛永通宝)

Kan’ei Tsuuho was a widely circulated coin during the Edo period in Japan.
It was first minted in 1636 and continued to be minted until the end of the Edo period.
The classification by age is mainly divided into two categories, which are called”Ko(Old)-Kanei Sen” and “Shin(New)-Kanei Sen”.
(Please have a look at the link below.)
⇒Shin(New)-Kanei Sen detailed classification
Daiba Tsuho (台場通宝)

These coins are said to have been provided to craftsmen during the construction of the Odaiba at the end of the Edo period.
It is an unidentified coin that we do not know if it ever really existed.
(Please have a look at the link below.)
⇒Daiba Tsuho 250 Mon Coin imaginary money Japanese Old Coin