Watch List notes:

Antoninus Pius (138 – 161 A.D.) AR Denarius, approx. 18 mm, 3.20 g. Rome mint (145 – 147 A.D.) Obv: ANTONINVS AVG PIVS P P, laureate head of Antoninus Pius right Rev: CO(S) IIII, winged thunderbolt on throne. Nice VF, . RIC 137; RSC 345