British. A Careless talk poster, illustrated with civilian and armed forces headgear, with the slogan ‘The more information you keep under your hat' (trilby hat) and the caption ‘the safer he'll be under his' (steel helmet). As with many Careless talk posters, the images focus on the head area, indicating whatever knowledge was contained in the head, it should be kept there.
ah. i normally dislike a monochrome palette in a hat, but i liked this the moment i saw it. there's quite enough here to be going on with as it is, and another color might tip controlled chaos over into melee. also, i think purple as a color does better with creating shades in shadow than other colors, which gives it more depth and makes it a good choice for keeping a hat one color.