Antoninus Pius AE As, 26-27mm; 9.41g. AD 145-161. ANTONINVS AVG PI-VS P P TR P COS IIII, laureate head right. S PQ R-OPTIMO-PRINCIPI, S-C across fields, in four lines in oak-wreath. BMCRE 1763; Cohen 791; RIC 827a. With permission of cngcoin.com, the AK Collection.