I found an old image on my hardrive, its three years old and made me laugh, mainly because it was one of my first attempts at making a self portrait. A bad one at that. At the time I didn't know any facial anatomy, colour theory, or generally have the experience I have now. I still have room for improvement, so if you spot anything let me know.
Anyway, Here's the WIP for comparison from start to end.
Here's a reference: