Gallienus, AE28 of Neocaesarea, Pontus. Dated local year 199 = AD 262-263. 

AYT KAI PO LIK GALLIHNOC, laureate, draped bust right. 
MHTROPOLEwC NEOKECARIA around Athena seated left, holding Nike and spear, shield behind her. Date ET RYQ (the Y resembles a retrograde R) below.

Dalaison 456; BMC 1975-4-11-194

With permission of Leu Numismatik, auction 4, lot 482, June 2018.