Oppenheimer, who had begun signing works MOPP by 1911, was initially friendly with both (Oskar) Kokoschka and (Egon) Schiele. But this poster, which he designed for his first Munich exhibition, brought accusations of plagiarism from Kokoschka, who found its subject—a gaunt, naked self-portrait figure bleeding from a chest wound—too close to his own agonized poster of a year earlier (images below). | quoted from MoMA