Little things that matter, the ink mark and very light corner wear. They are nice cards but not quite up to the scrutiny of the TPG's. I start with a stack and review it several times before submitting, under various lighting, etc. before paring it down to only the strongest candidates and even then I miss some, everyone does. I got a blazing 1952 Topps Look n' See Roosevelt back with a 2, upon further review it had a surface wrinkle right across the middle of it.