It appears to be more of a token than a true coin. What it is for I have no idea. So will defer to those here on the forum with more knowledge of these.
Welcome to CoinTalk @Tina33 ! This is the original coin. http://americanhistory.si.edu/collections/search/object/nmah_472693 It may be that yours is a reproduction of the coins referred to above. But you can check it out. Interesting little research project.
https://www.ebay.com/itm/COPY-Token...h=item1ef32aca8d:g:JEcAAOSwXMxcHr20:rk:2:pf:0 Here is a copy of the original coin for sale on eBay for 12 clams
Great work there, LaLa. It looks very much like a copy. Hey Tina, have you tested the metal in anyway? I doubt if it's gold, but....