Danger, Danger!! Keep Clear Unexploded Bomb Sign. These vintage Danger Signs provide just the right accent for a home, bar, restaurant or pub. Did you know the first colour the human eye sees is red? Which is why so many warning signs are in this colour. The red background and warning message on this sign guarantee to gain attention in any space. These signs look great in a vintage style space or create an even balance in a modern home.Â
