Help identifying a coin, please

I've had this coin for years and have no idea what it is or where it came from. Certainly somebody here will know and can tell me something about it.
Thanks.

Thanks.


WTB: Barber Quarters XF
0
Comments
Milan mint
Years 1777-1779
yours is a 1777s
$2.50 in good (from 2nd ed krause)
...
I'm glad I took a couple oif pictures of it. I tried describing it to people via email; that just didn't work.
Thanks again
WTB: Barber Quarters XF
...