Antoninus Pius, AR Denarius, 151-152, Rome
IMP CAES T AEL HADR ANTONINVS AVG PIVS P PLaureate head right
TR POT XV-COS IIII Tranquillitas, veiled, standing facing, head right, rudder in right hand, corn ears in left TRANQ in exergue 18mm x 19mm, 2.76g