Ancient China 1 Cash (Tongbao; Boo-chiowan; palace coin)

Hello

I have these Cash (Tongbao; Boo-chiowan; palace coin)
N#224268

There are many variations.
I don't have the ability to identify them with certainty.
They seems to be Hartill#22.472: Type B
Can you tell me if it's right? Thank you.

size circa 224mm, weight 4.63gr
 

N#28094

DH#22.483 (upper coin) and DH#22.489 (lower coin)

Chris

LCW1991

N#28094

DH#22.483 (upper coin) and DH#22.489 (lower coin)

 

Chris

 

 

Thank you very much