I found it, but I have no idea where it's from. My guess was somewhere around the Indonesia area due to the letters, but I really haven't got a clue D:
: It's from Thailand, merci Google.
Originally Posted by http://thailandforvisitors.com/general/moneycoins.html
The one-Baht coin is silver and slightly larger than a US cent.
The one-baht coin is a currency unit of the Thai