anyone knows these Coins

this coin 10mm of diametre.

This is a replica.

The first picture is a replica of the cash coin oh the emperor K'ang-hsi.
He was known (and stil is) as the Lucky emperor.
obv : K'ang-hsi T'ung-pao

It is a Lucky charm.
See my comment on this site:
http://www.coincommunity.com/forum/topic.asp?TOPIC_ID=205715

Some other comments:

You are using Wade-Giles, which is the obsolete Romanization of Chinese, try using Kangxi tongbao. These charms are usually hung somewhere to bring good luck, both OP's charm and your charm (PetrusA) are usually on car mirrors. OP's charm looks like a very modern copy, while PetrusA's looks like a 90's copy intended to copy a common Kangxi boo-chiowan cash.

Fot the names, I use Krause.
Indeed there are several different ways to write the chinese names.
Here is a 90's replica (I can't remember which picture I uploaded earlier.