"It's a prewar PC brochure (which Rick claims never to have seen) and which I have only as a photocopy. The notice could read something like:

"Do you know the whereabouts of this prewar PC brochure? If found, it will be used to illustrate the Spring 2008 book Building Kettenburgs: Tales of a Southern California Family and Its Boats , due from Mystic Seaport Press. Please contact Mark Allen at mark.laura.allen@gmail.com."