WW I poster UK World War I, British propaganda poster showing caricatures of Germans, including wartime scenes of past violence, cruelty, and drunkenness, and then a charming German businessman of the day. Also a vignette of martyr Edith Cavell's grave and the caption, "1914 to 1918. Never again!" Original Title: British Empire Union. "Once a German, always a German." Remember! Every German employed means a British worker idle. Every German article sold means a British article unsold. Lithograph poster, color; 76 x 50 cm. Globe Printing Co., Ltd., Scrutton Street. Finsbury. London 1918.