Macrinus, AE26 of Nikopolis ad Istrum,  Moesia Inferior. AD 217-218. 10.99 g. 

AYT K M OPEL CEY MAKREINOC, laureate head right.
YP CTA LONGINOY NIKOPOLITWN PROC IC, Asklepios standing front, looking left, leaning on serpent-entwined staff. 

Varbanov 3448 (this coin cited).

With permission of numislanz.de, Auktion 102, lot 796