Province Asia
Subprovince Conventus of Pergamum
City Pergamum 
Region Mysia
Reign Septimius Severus
Obverse inscription ΑΥΤ ΚΑΙ Λ ϹΕΠΤΙ ϹΕΟΥΗΡΟϹ Π ΟΥ ΑΥΤΟΚ ΚΑΙ Μ ΑΥΡΗ ΑΝΤΩΝΕΙΝΟϹ
Obverse design laureate, draped and cuirassed bust of Septimius Severus, right, seen from rear, facing laureate, draped and cuirassed bust of Caracalla, left, seen from front
Reverse inscription ΕΠΙ ϹΤΡΑ [ΦΛΑ ΞΕΝΟ]ΚΡΑΤΟΥϹ, ΠΕΡΓΑΜΗΝΩΝ Β ΝΕΟΚΟΡΩΝ
Reverse design Asclepius standing right, holding serpent staff, facing Apollo (Smintheus) standing left, holding patera over altar and bow

 

Museum British Museum, London (UK)
Inventory no.
Reference BMC 316
Diameter 41
Weight 36.74
Axis 6
Note the wreath cmk appears twice on the obv.