Faustina II, wife of Marcus Aurelius (died 176 AD). AR Denarius, 180 AD.  Obv. FAVSTINA AVGVSTA. Draped bust right.   Rev. [MA]TRI MAGNAE. Cybele seated left, holding olive branch; behind, lion.  RIC III (M. Aurel.) 706; C. 172.   2.97 g.  18.00 mm.    R. Rare. A delicate portrait of fine style. Lovely iridescent tone with blue highlights. About EF/VF.