3 chinese cash’s [решено]

Hello!

I would like some help with these 3 cash’s, any help is welcome!

23mm and 2.3g


24mm and 2.3g


25mm and 2.4g

Hello,

First one :
Hong Wu Tong Bao
Hartill #20.57

Second :
Kai Yuan Tong Bao (late type, 732-907)
Hartill #14.6

Third :
Wu Zhu (Western Han c. 90bc ?)
Hartill#8.9 ?
Not always totally sure about these Wu Zhu coins.

Thank you very much, I looked up the references, and agreed with them all!