Caracalla 198-217AD, AE16, Markianopolis, Moesia Inferior
16mm 3.81g

PIOC AVGO ANTWNINOC, Laureate head right.
MARKIANOPOLEITWN, serpent-entwined staff of Asklepios.

Varbanov 911 var (obv legend)

Courtesy of www.cariboucoins.com, August 2011.