First World War poster advising against undermining the war effort with careless talk (, about ship lanes or troop movements). It depicts the head of Wilhelm II attached to a spider's legs. Such posters are also thought by some to have been intended to maintain morale by stopping the spread of rumours or less savoury information. Thus, they may have been veiled propaganda posters.

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Size: 8276px × 11218px
Photo credit: © Recall Pictures / Alamy / Afripics
License: Licensed
Model Released: No

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