Antoninus Pius Mule.

Antoninus Pius Mule; 138-161 AD, Rome, 138 AD, Dupondius, Mule struck from old rev. die, still as Caesar, 12.21g. Strack-p. 316, 7, citing Rome. Obv: IMP CAES AELIVS - ANTONINVS AV[G] Head bare r. Rx: [PIETAS] in exergue (off flan), TRIB P[OT] C[O]S on l. and r., S - C across field, Pietas standing l. before altar, raising r. hand and holding incense box in l. Ex Curtis L. Clay Collection; acquired from Glenn Terry, Nov. 2005. Possibly only the second recorded specimen of this mule.. aEF / VF