All done bar the shouting. I'll look at it again with a fresh pair of eyes in a few days and see if anything jumps out at me that needs correcting. Comments welcome (as always!)
Gents, thank you. (The bench was tidied up before taking the photos ) I still find blending acrylics a be-atch of a job. If you saw the face in close-up it would be like looking at an oil sketch...