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It might just be my monitor, but I really can't see many of lines at all making it really difficult to even tell what this image is. It's also, very blindingly white.
Maybe try to scan again?
From the look of it I think he photographed it, though I might be wrong.
I agree with Aphotic's post, make the lines a bit clearer. I can see the dragon in the picture, but it's very faint.
As for the design itself, I suggest you study anatomy and perspective and keep practicing.