Chinese Coin or not  ? [opgelost]

I wonder if someone can help me with this one.

Is it a large coin, or is it a money charm ?

It is 62mm Dia.  and  54.7 gm.

Thanking you.

It is a modern replica (hence the white dirt)
http://primaltrek.com/
Left picture:
bottom: 50
top: cash
mint : Boo-Clowan (Peking)
Hu-Pu Board of Revenue

right picture
top-bottom-right-left : Kuang-hsü Chung-pao (or variant)

ruler :  Kuang-hsü 1875-1908
http://en.wikipedia.org/wiki/Guangxu_Emperor

thank you .