1999 New Jersey Washington Quarter Error?

Welcome to the hobby, Joe! I agree with Mark here -- it's the indentation of the rim of another coin. How are you liking quarter searching? I've read that it's tough to find silver in them, so I haven't tried. I started off on halves, but those are a pain in the rear to dump, so I've switched to variety searching cents. My first notable cent find is worth at least twice the silver value I pulled in halves, so I'm happy with the switch! You can just try jumping denominations until you find one you prefer.

to the Forum. I was leaning toward shark's teeth lol, but now that it's been mentioned, reeded edge contact.

I gave up on searching quarters and dime rolls as I never find much of anything for some reason except for pulling the 100% nickle Canadian coins from them . I really like searching nickle rolls for 1959 and earlier nickles - and cent rolls yield all kinds of good finds including die cracks, die chips, etc. Plus I always keep the "S" mint coins.