Macrinus, AR denarius, 217-218 AD. 

Obv: IMP CM OPEL SEV MACRINVS AVG, laureate, cuirassed bust right.
Rev: PONTIF MAX TR P PP, Jupiter, naked, standing left, holding
thunderbolt and sceptre, cloak over left arm. 

RIC 17; RSC 55. 

With permission of Auktionshaus H. D. Rauch GmbH - Auction 91,
Dec. 2012.