read the label. page 29 where Groo appears.
ahh
I just thought it would be a little odd to have an artist do a sketch on the interior of the book
From what Priate has told me, Sergio did not want to sign the cover because he did not do the art for it. So, he signed the page that Groo appears on instead, which he did do the art for. Honestly, I was just looking for the sigs on the book, so the sketch was a bonus. Of course, since it is on page 29 and sealed in the slab, I can't see the sketch and have no idea what it looks like.
This is the first time I have ever been 50/50 on cracking a slab. I want to see the sketch, but I also want to maintain the integrity of the signature authentication.
it's a thumbnail, don't crack it.
He must have been in a weird mood that day because he signs Plop! comics on the cover and all the ones I have submitted were either Wally Wood or Basil Wolverton covers.