That's an old one. Here's what NGC has got on it: https://www.ngccoin.com/price-guide...ble&date=1768&catalogInitials=&catalogNumber=.
I would say XF details, environmental damage. The surfaces may look better under different lighting though.
I think so because the luster is rubbed off it. But don't take that wrong, this is no schmuck, it's a fine coin. Judging from the wear I'd put it anywhere from VF to EF.
Unfortunately I stepped back from this coin. Something just didn't feel right about bidding it. Weird.