Ms. Found in a Chinese Fortune Cookie — Cyril M. Kornbluth

They say I am mad, but I am not mad-damn it, I've written and sold two million words of fiction and I know better than to start a story like that, but this isn't a story and they do say I'm mad-catatonic schizophrenia with assaultive episodes-and I'mnot. [This is clearly the first of the Corwin Papers. Like all the others it is written on a Riz-La cigarette paper with a ball-point pen. Like all the others it is headed: Urgent. Finder please send to C.M. Kornbluth, Wantagh, N.Y. Reward!