They are really fine scratches like somebody wiped the slab with a paper towel or something. They really aren't noticible in hand. Between the camera and the lighting they show more.
Evan, you might try a small amount of peanut butter (Peter Pan works best! LOL) with your little finger and it MAY help get rid of some of those fine scratches. I had a new NGC slab come to me with a sticker on it (one that leaves a real gooey residue) took it off in 3 applications.
67Cam, but I think I may be getting thrown off by the slab. There appears to be a few tickmarks in the obverse field above Liberty, if I am interpreting the image correctly. I'd grade the slab Details, Scratched