Lucilla AE Dupondius or As. AD 164-182. 10.53 g. 

LVCILLAE AVG ANTONINI AVG F, draped bust right.
VENVS, S-C across fields, , Vesta standing left holding simpulum and palladium. (no altar) 

RIC 1781; Cohen 96; Sear 5527. 

Courtesy of Noble Numismatics Ltd, Nov. 2010.