US 1799 coin
Would like to know if this is real?
I think so. It looks genuine, but pretty well beat up. Check the weight. A genuine coin weighs exactly 26.96 grams. Take it to a jeweler and use a scale that measures to the nearest 0.1 gram.
If it is genuine, it will carry some value. Probably $500 US dollars or so in its current state. Consider submitting it to this conservation service:
but only if you are convinced it is genuine.
Our page on these coins, with pictures and values, appears here:Reply