Antoninus Pius as Caesar. Denarius; Antoninus Pius as Caesar; 138 AD, Rome, Denarius, 3.51g. Obv: IMP T AEL CAES - ANTONINVS Head bare r. Rx: TRIB PO - T COS DES II Felicitas standing l., holding short caduceus and cornucopia. Ex Curtis L. Clay Collection; acquired from Jonathan Kern, April 2000. Denarii of this COS DES II issue are rare; the Felicitas type with this date is not in RIC.Some luster. EF