Province Bithynia-Pontus
City Nicaea 
Region Bithynia
Reign Severus Alexander
Obverse inscription Μ ΑΥΡ ϹΕΥΗ ΑΛΕΞΑΝΔΡΟϹ Α(ΥΓ)
Obverse design laureate, draped and cuirassed bust of Severus Alexander, right, seen from rear
Reverse inscription ΝΙΚΑΙΕΩΝ
Reverse design Aquila between two military standards, topped by wreaths

 

Reference CGT coll.
Diameter 20
Weight 5.26
Axis 12
Note perhaps large eagle on column rather than aquila?