New collector here, just getting my feet wet in the last couple of months. The thread about the fake Shuster got me a little spooked. Last month at the Profiles in History action of "a distinguished collector," I picked up a pin-up purported to be by Kirby of his late (late 80s/early 90s) character Kublak. It came without CoA or details of its origin. The page is 14x7.75 inches; I cropped the white sides off the image below. I assume that at this point it would be impossible to prove that it is