Need expert opinions.

I recieved my snake today, upon examining him I felt a few tiny rough spots, so I took pictures. The guy I purchased from said he's CH, but we all know how that goes since the others were listed as WC. To me it looks like an old bite from something thats healed up half-way and so i'm assuming it will clear up with a few sheds, but here are some pictures:

http://img264.imageshack.us/img264/3807/rb006.jpg
http://img441.imageshack.us/img441/1651/rb007r.jpg
http://img243.imageshack.us/img243/7762/rb008.jpg
http://img141.imageshack.us/img141/2018/rb010.jpg
http://img207.imageshack.us/img207/6431/rb011.jpg

I'm no expert, but use paper liners as substrate, apply some neosporin (w/o pain reliever), keep an eye on it. could be old bite wounds

It's pretty much healed whatever it is, but i'm going to take him to the vet just to get him a checkup, as I do all new pets.

looks like a mouse bite

Looks like a wound of some kind... possibly food related.

Just watch it closely in the next sheds..

Yep, I will keep a close eye on it. I know whatever it is, it's from before I got it. The snake is still a juvenile only being 10" long or so and thin, as it eats pinkys.