I'm Having Trouble Identifying This Asian Region "Coin"

Thanks so much! After looking at examples sold in the past, most are at least 36g that I saw, mine being obviously much lighter (but at the same time smaller dimensions). Is it possible it is still genuine and is there a way to determine this? Thanks again!

I've have handled some of these sycee in the past but many seemed to have many air bubble holes on the bottom which yours is lacking.
Nowdays most of these are given out at weddings as a "souvenir". I agree with Albert that this does have a double happiness character and on a lucky day these may be made of silver but that would be rare.

* Forgot to add that most of these sycee are small, on the contrary replicas of these tend to be bigger.