It came off fairly easily. First I scored around the pickguard with a razor blade. Heat didn't really seem to help much. I applied naptha to one edge and got a corner to lift. Then I just worked slowly with a palette knife and working naptha under the pickguard with a pipette. i worked slowly and didn't force too much.
I clamped the pickguard in a heavy book, and cleaned off the top with naptha to remove as much of the glue as possible.
i applied 6 coats of garnet shellac to the pickguard footprint, and it looked very nice, but it was a shade darker than the rest of the top,and it would have required a lot of work and waiting to apply lacquer.. Sorry, I should have taken a photo of the top with the shellac, but I was in a hurry. I sanded the shellac smooth, and buffed out any scratches in the surrounding lacquer.
I was lucky that I didn't notice any shrinkage of the pickguard. I scraped the bottom clean, and then I re-attached the pickguard with some liquid hide glue. i'm also trying to fashion a rosewood heel cap.. I'lll add some picks when it dries.