This paper consists of a focused, formal, and iconographic analysis of a unique Late Archaic bronze hand mirror said to originate in Magna Graecia, now in the Getty Museum. Of particular interest is the way the object fuses and juxtaposes two semantically dense and interrelated devices from the ancient Greek world: the mirror and the severed head of the Medusa (gorgoneion). While gorgoneia are generally encountered as ornaments on Greek mirrors, the Getty example is the only extant case in which Medusa’s head occupies the entire backside of the mirror, effectively functioning as a Janus-faced counterpart to the user’s face reflected in the disc. Scholars tend to explain the significance of gorgoneia on objects like the Getty mirror with ref...