Faustina II AR denarius, Rome, 3.1 g. 

FAVSTINA AVGVSTA, draped bust right. 
MATRI MAGNAE, Cybele seated left, holding branch, elbow resting on drum, lion sitting left at her side. 

Sear RCV 5259; RSC 172, RIC 706.

Kenneth Dorney - Ancient Greek & Roman, sale August 18, 1999.