Antoninus Pius as Caesar. Sestertius; Antoninus Pius as Caesar; 138 AD, Rome, Sestertius, 23.88g. RIC-2755 (R3), pl. 197 (same dies). Obv: [IMP T A]ELIVS CAE - SAR ANTONINVS Head bare r. Rx: PIE - TAS and S - C across field, TRIB - [P]OT - COS on l. and r., Pietas standing facing by altar, raising both forearms in prayer. Ex Curtis L. Clay Collection; ex Savoca Blue, E9, 26 August 2018, 1354. A very rare variant of the common Pietas sacrificing type on the sestertii of Antoninus as Caesar: usually Pietas stands left or right, not facing as here, and she raises only one of her hands in prayer, not both hands.. Bold Fine