Your charm is interesting, much more beautiful than the one on the Numista file, but probably modern for Feng Shui purpose.
Genuine ones look like :

The expression "Money and treasures will be plentiful" is used for New Year's greetings, i.e., "Attracts wealth and treasure." This expression is often condensed into a single overall symbol.

The reverse is the parable of “two dragons chasing the flame pearl”, you may find details on internet explaining that the pearl represents a fiery ball made of qi (气) which is the dynamic creative force of the universe. And when the dragon devours the pearl, less and less of the pearl is seen and the pearl appears as a waning moon, etc… quite a story !