Antoninus Pius. AD 138-161. AR Denarius (19mm, 3.26 g, 6h). Rome mint. Struck AD 151-152. Laureate head right / TRANQ in exergue, Tranquillitas standing right, holding rudder and grain ears. RIC III 218 var. (rudder on globe); RSC 826. In NGC encapsulation 6054958-019, graded Ch XF, Strike: 5/5, Surface: 3/5, brushed
.