Province Bithynia-Pontus
City Nicaea 
Region Bithynia
Reign Valerian and Gallienus
Obverse inscription Γ ΠΟΥΒ ΛΙΚ ΕΓΝΑ ΓΑΛΛΗΝΟϹ ΑΥΓ
Obverse design radiate head of Gallienus, right
Reverse inscription ΝΙΚΑΙΕΩΝ, ΙΠΠΑΡΧ
Reverse design Hipparchus seated left, reaching out to sphere set on column

 

Reference vA 730
Diameter
Weight 7.01
Axis
Note incorrectly illustrated in SNG vA