The head is HUGE. The eyes are too high up, the mouth is about 2 px too low, and the jaw is inhumanly large. The jawline should go back and then up into the ear, not continue to the back of his neck.
The collar's lower origins are inconsistent. Is it coming from behind the gold trim on his armour, or in front? The collar on our left seems to indicate it comes from inside the gold trim, but the one on our right says it comes from outside. Which one is it?