Province Thrace
City Byzantium 
Region Thrace
Reign Elagabalus
Obverse inscription ΑΥΤ Κ Μ ΑΥΡ ΑΝΤΩΝΕΙΝΟϹ ΑΥΓ
Obverse design laureate, draped and cuirassed bust of Elagabalus, right, with aegis, seen from front
Reverse inscription ΑΝΤΩΝΙΝΙΑ ΒΥΖΑΝΤΙΩΝ (or ΑΝΤΩΝΕΙΝΙΑ ΒΥΖΑΝΤΙΩΝ) ϹΕΒΑϹΤΑ
Reverse design agonistic crown with one palm branch

 

Museum Kunsthistorisches Museum, Vienna (Austria)
Inventory no. GR 8525
Reference Schönert-Geiss, Byzantion 1662.2 = Mi S. II, 264, 368
Diameter 35
Weight 19.20
Axis
Note ⳞΕΒΑⳞΤΑ on crown. Perhaps another line of inscription above?