Gary Dunaier wrote:
... he offered to sign them but I asked him not to - ironic considering how much I love autographs - but I felt signing them would destroy the integrity of the pages as actual production pieces, since the signature did not appear in the final published piece and would have been added after the fact...
Upon occasion, I've requested the artist to sign on the back of the page.  That way, I get the autograph (and inscription), while also having the art untouched.  Sure, the signature doesn't appear if the art is framed, but I know it's there.

'Reading' / 'Reading soon' stack: DC/Vertigo - ArtOps, Batgirl, Gotham Academy, Gotham by Midnight, Injustice; Marvel - Allred's Silver Surfer; Other - Abe Sapien, Descender, Fight Club 2, Goon, Mind MGMT, Southern Bastards