Bloomin heck that's good.
It's extremely difficult to paint faces with acrylics and not make the subject look like a cartoon. You've painted this fellah like he's done in oils and also similar to the fanatastic oil paintings of that period.
Truly great work.
You work is so perfect, that I could write a hole page of compliments.
Instead, I just say it's one of the best painted figures I've ever seen.
And I've seen many of them.
You are an artist. Congratulations.