 Complete the following phrase:  Charlton have used a number of crests and badges during their history, although the current design has not been changed since 1968. The first known badge, from the 1930s, consisted of the letters CAF in the shape of a club from a pack of cards. In the 1940s, Charlton used a design featuring a robin sitting in a football within a shield, sometimes with the letters CAFC in the four-quarters of the shield, which was worn for the 