Masterwork and collaboration form masters truly has a tone of work on it,i congratulate you.
I do not want to be rude or pretend a wiseguy but since you must have observed so many things about coloration and have many reference photos ,it does not mind to remind you that the hand's fist knuckles are reddish (the first two fingers and the thumb-plus some on all fingertips),while the lighter parts is the in between .
Now if you want that white effect i do not disagree.Reddish purple nose suggests he is a little drunk and cold.
If the ears turn accidentally too red it would not be a big deal since it can be a sign of excitement.The eyes paintjob precision is something to be jealous off for sure.
The forehead wrinkles shading is great and makes him look more wise.
Last,if the crown had more gloss it would look even more glamorous.
