Macrinus ANTONINIANUS "Felicitas" 
Macrinus AD 217-218 Silver antoninianus.
Obv: IMP C M OPEL SEV MACRINVS AVG - Radiate, cuirassed bust right. 
Rev: FELICITAS TEMPORVM - Felicitas standing left, holding caduceus and sceptre. 
Rome mint: AD 217 = RIC IVii, 63, page 9, Cohen 20a