Macrinus and Diadumenian, AE28 of Markianopolis, Moesia Inf. AU K OPEL SEU MAKREINOS K M OPEL ANTWNEINOS, bare head of Diadumenian right, facing laureate head of Macrinus left. YP PONTIANOY MARKIAN/OPOLITW / N, tetrastyle temple with statue of Aesklepios standing facing within, holding serpent-entwined staff. Epsilon at upper right. MAR5.50b var; AMNG 783, p. 248; Moushmov 583; Varbanov 1287 (this coin).