Province Thrace
City Byzantium 
Region Thrace
Reign Severus Alexander
Obverse inscription ΙΟΥΛΙΑ ΜΑΜΑΙΑ ΑΥΓ(Ο)
Obverse design diademed and draped bust of Julia Mamaea, r.
Reverse inscription ΕΠ ΦΡΟΝΤΩΝΟϹ ΒΥΖΑΝΤΙΩΝ
Reverse design dolphin, r., between two fishes, the above one r., the below one l.

 

Reference CGT coll.
Diameter 27
Weight 12.01
Axis 12
Note Obverse legend has ΑΥΓ (not ΑΥΓΟ)