Province Bithynia-Pontus
City Nicomedia 
Region Bithynia
Reign Trajan Decius
Obverse inscription ΑΥ ΚΑ ΤΡΑΙΑΝ ΔΕΚΙΟϹ ΑΥΓ ϹΕ
Obverse design radiate and cuirassed bust of Decius, left, seen from front, holding spear and shield with gorgoneion
Reverse inscription ΝΙΚΟΜΗΔΕΩΝ ΔΙϹ ΝΕΩΚΟΡΩΝ
Reverse design Decius on horseback riding, right, with right hand spearing small enemy running

Coin no. 5 of RPC IX, 327

 

Reference CGT coll. = Naville 40, 27 May 2018, lot 206
Diameter 22
Weight 6.85
Axis
Note different dies: bust uncertain and maybe no small enemy on the rev.?
Addition Additional coin (post publication)