Here's a look at how I made this sketch-
The sketch is drawn on 11 x16 Canson Mi-Teinte Paper. I start off with Col Erase Scarlet Red Pencil for an initial rough in and then use a Pigma 02 Pen to nail down face details.
More drawing with the Pen
Once the drawing is set, I begin using Copic Warm Grey 1 and 2 to nail down the values.
Now Copic Warm Grey 3 and 4 to push the values on Belle and then use Copic Cold Grey 1 and 2 on the metallic elements.
The final touches.
Copic Cool Grey 3 and 5 and White Prismacolor Highlights on the metal.
White Prismacolor Highlights and Col Erase Scarlet Red on the flesh.
Copic Warm Grey 5 to hit the darker values.
Faber Castell Pitt Black F to refine the line art.
The final art.
Detail 1
Detail 2
TD