Pewter with strange head

Due to all the talk and hype around the new scaleless morph im gonna be cautious talking about it now BUT it does look like my pewter are missing scales on his head. Do you agree? Any thoughts? He has had a bad shed or two but ive only done what I always do with bad sheds; soaking for an hour and then gently use a wet towel to help the skin come of if it hasnt alrady in the soakin bin. So I seriously doubt it would be some kind of scaring.

http://i1251.photobucket.com/albums/...ps04501177.jpg

has he always been like this? I would rule out head-rubbing and other types of injury/infection first. where did you get him?

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Havent really looked at him close when he was smaller since I tend to let my balls be left alone as much as possible when young. I brought up 5 other balls under the same conditions and none of them has "developed" this marking. He has always been a great eater and never missed the rat and hit the melamin-rack ceiling or something like that.

He comes from a swedish semi-small time breeeder.