Hi,
Looking for some advice. Just picked up a copy of issue 1 of Chilling Adventures of Sabrina. Cover is in excellent condition - lays flat, sharp corners, etc - but when I opened up the comic there are what looks like binder markings running the entire length of the interior page. It's really noticeable front and back because of the black pages. On the rest of the pages it's reversed out (black marks against white). I'm presuming this is a binding/printing error of some description. My question is how badly would this affect the grade (quite significantly I'd guess).
Thanks for looking.