The Gorgon Enamel Pin
Near them their sisters three, the Gorgons, winged with snakes for hair and hatred of mortal man.
–Aeschylus, Prometheus Bound
In classical antiquity the image of the head of Medusa appeared in the evil-averting device known as the Gorgoneion. Soft enamel pin measuring 1.5 inches across with two pin backs to prevent spinning.