Careless Talk Costs Lives Keep To Myself WWIIOriginal vintage World War Two home front propaganda poster What I know I keep to myself Careless talk costs lives featuring an image of a man in a suit and cap winking at the viewer on a white and red background, the text in stylised red lettering above and warning in red below. Printed for HM Stationery Office by Lowe and Brydone Printers Ltd. Good condition, folds, creasing, tears, minor staining.