Cameos are low-relief portraits that are traditionally carved out of large conch seashells, although other materials, such as stone or metal, may be used. Thus, Lincoln's head carved on a penny is considered a cameo. Cameos are typically worn as jewelry in the form of a pendant, brooch, or ring. The process dates back to the 500s A.D. In this article, the author describes how her fifth-grade students created self-portraits in a cameo style.