Upon Further Review

I was cleaning up the book from yesterday's post, "The Posthumous Papers of the Pickwick Club (Part One)" by Dickens and I noticed a folded brown paper sticking out of the side. I must have missed it yesterday:

Illustration; the paper measures 8.5 inches by 12 inches. I'm unsure of the materials used, it looks like the outline was sketched in pencil and colored in.

The artist's name appears on the back:



-Click to enlarge photos-