Have you put it on your website as an example of what can be done to pencil sketches? Might be a good market for mums and schools or anyone art and crafty.
I'd put it on my site anyway, and put a price tag underneath. Designed, printed, stretched over wooden frame, $X.00.
Doesn't hurt? You never know, you might get something?
i love that!! awesome.....am just starting to play with ps. would love to know how to do something like that......really like it.