Ancient Wisdom, WIP 2

This is a drawing that I've been working on for some time now, and I have been immensely enjoying it. I'll probably finish over the holiday break sometime, so if you like the picture, check back in a week or so!

Done in a range of pencils, from HB to 6B. I used the following picture as a general photo reference for the face: [link] .

Comments and critiques are always appreciated!