Antoninus Pius, Rome mint, 145-161 AD.,
Æ As (26-27 mm / 12,23 g),
Obv.: [ANTONIN]VS AVG - PIVS P P TR P COS IIII , laureate head of Antoninus Pius right.
Rev.: S P Q R / OPTIMO / PRINCIPI / S C , four lines in corona civica (oak wreath).
RIC III, 130, 827(a) ; Coh. 791 ; BMC 1762 ; Strack 1001 .