Herakles - Caracalla w/Plautilla. SCARCE Roman Empire. Caracalla. A.D. 211-217. AR Denarius. 3.438 grams. Obv. ANTONINVS PIVS AVG. Bust laureate, draped r. Rv. CONCORDIA FELIX. Caracalla, holding roll, and Plautilla, standing l. and r., clasping hands. RIC 124a. Cohen 23. Superb and SCARCE.