Watch List notes:

Antoninus Pius (138-161). AR Denarius, 145-161 AD. D/ ANTONINVS AVG PIVS PP. Laureate head right. R/ COS IIII. Winged thunderbolt on pulvinar of Jupiter and Juno. RIC 137; C. 345. AR. g. 3.48 mm. 18.00 Brilliant, superb and lightly toned, with underlying luster. Virtually as struck. About FDC/Good EF.