Looking at an online auction for a left-handed Epiphone Sheraton. The seller has a little bit of feedback (80ish transactions), and it's all positive. But the guitar has a couple of flags for me. First, the pickguard does not look to be stock Epi (although I could be wrong about this). The bigger concern is that the serial number on the sticker has been damaged (see photo below). I'm not sure how a factory sticker would get damaged like this, unless it is intentional. What do you guys think?