Faustina II. AD 161-180. AE As. 27mm, 16.00g. Rome. 

FAVSTINA AVGVSTA, draped bust right
LAETITIA S-C, Laetitia standing left, holding wreath and sceptre. 

RIC III, 1655; Cohen 151.

Courtesy of LAC Auction 4 on deamoneta.com, May 2011.