Geta AE31 of Nicaea, Bithynia. AD 198-209. 14.63 g. 

AYT K P CEP GETAC AYGOY, laureate, draped and cuirassed bust left.
NIKAIEWN, Serapis, polos on head, standing front by altar, looking left, resting on sceptre and raising hand.

CNG 352, 293. Obv. legend var of RecGen 530 (with AYT K P CEPT GETAC AYGO)

With permission of cngcoins.com, auction 352, Lot 293, June 2015.