Watch List notes:

Antoninus Pius. Denarius; Antoninus Pius; 138-161 AD, Rome, 151 AD, Denarius, 2.86g. BM-721, pl. 15.11 (same obv. die). Obv: ANTONINVS AVG - PIVS P P TR P XIIII Head laureate r. Rx: C - O -S - IIII around, Pax standing l., holding branch and scepter. Ex Curtis L. Clay Collection. A rare type, not in Strack or the Reka Devnia hoard. Toned VF