Antoninus Pius. AD 138-161. Æ Sestertius (34mm, 23.50 g). Rome mint. Struck circa AD 141-143. ANTONINVS AVG PI VS P P TR P COS III, laureate head right / TIBERIS, S C in exergue, Tiber reclining left on overturned urn from which water flows, right hand resting on boat, cradling reed in left arm.