Don’t Open The Window (aka Let Sleeping Corpses Lie) Don't Open The Window (aka Let Sleeping Corpses Lie) US 1-sheet, 27x41 in. folded 1973, Classic exploitation poster for Jorge Grau's disturbing horror classic $100 US 1-sheet, 27×41 in. folded 1973, Classic exploitation poster for Jorge Grau’s disturbing horror classic $100