A typical Sendai Ishinomaki coin from the Kyōhō period has the character “仙” on the back.
The prevailing theory is that these coins were minted after 1728, but some argue that they were first minted during the Shōtoku period, so the details are unclear.
Coins from the Genbun period have the character “千” on the back. These coins were also made in Sendai.
Sendai Ishinomaki Sen
type Koto-tsu Haisen Hanesen(仙台石巻銭 コ頭通 背仙 跳ね仙)
This type of coin has the character “仙” on the back.
It can be classified into several types. Specifically, it is classified according to the character “仙” on the back or the character “通” on the front.
Sendai Ishinomaki Sen
type Jyuki-tsu Muhai(重揮通 無背)
The shape of the character “通” on the surface of the coin is distinctive.A version with no writing on the back of the coin.
⇒List of images of the new Kan’ei Tsūhō coins