1 mon japanese coin with slightly different kanji

I found this Mon coin in a bag that i bought online, but the kanjis seems a little different? Or maybe those are deformations by the time. Also the reverse seems to be blank but also look like had some kanji on top that now it,s erased?

1 mon reference coin: N#121450

Hello

this one

N#161652

Looks most like an ashi reverse too me.

N#161652

gros

Hello

 

this one

N#161652

Idolenz

Looks most like an ashi reverse too me.

N#161652

Thanks you both.