WW I poster Germany German propaganda poster showing a soldier in a trench; in the background are warships on the sea. Poster announces a military display in the Prater including a reenactment of a naval battle with war ships, a trench, military music and other attractions. Original title: Der Schutzengraben im k.k. Prater ... Translation of original title: The trench in the Prater? Artist: Franz Wacik (1883 - 1938) Lithograph poster, color; 94 x 63 cm. Paul Gerin. Vienna 1918.