Plautilla, AE22 of Aegina, Attica. 

FOYLBIA PLAYTILLA, draped bust right with small cornucopiae at shoulder.
AIGEINHTWN, Hekate Triformis standing facing, holding a long torch in each hand.

BMC 239 (this coin); Chaix 259; Milbank Plaut-b in NNM 24; Mionnet Supp. III, 51.