Province Bithynia-Pontus
City Sinope 
Region Paphlagonia
Reign Gallienus (sole reign)
Obverse inscription IMP C GALLIENVS AVG
Obverse design radiate, draped and cuirassed bust of Gallienus, right, seen from front
Reverse inscription C I F S AN CCCXXX
Reverse design Neptune standing left, right foot on prow, holding dolphin in right and trident in left; in field right, star

 

Museum Archaeological Museum, Sinop (Turkey)
Inventory no. 19-5-78
Reference Casey 417 = Manisse 627
Diameter 30
Weight 15.93
Axis
Note CCCXXX. Casey described as Poseidon, but different type?