Sterling Silver Comedy and Tragedy Masks Charm

This is a wonderfully dramatic Sterling Silver Comedy and Tragedy Masks Charm.  Both masks look like they have come from the ancient Greek theater with exaggerated facial features and emotional expressions.  Each has open eyes and mouth, rounded cheeks, detailed eyebrows and pin curl hair.  The tragedy mask also has a tongue and double-rounded chin.  The charm measures 0.625" (16mm) high (with attached ring) by 0.75" (19mm) wide by 0.1875" (5mm) deep.  The back of the comedy mask has a rectangle marked "STER."  Maker and age are unknown.  This Sterling Silver Comedy and Tragedy Masks Charm is in Very Good condition with no damage or wear.  It comes with a silver ring for attachment.