Caracalla, AE28 of Ankyra, Galatis. AD 197-217. 14.46 g. 

ANTWNEINOC AYGOYCTOC (EI ligate), laureate head left.
MHTROP ANKYRAC, Demeter, holding torch, driving biga of winged serpents left.

Unpublished obverse for this reverse. (SNG France 2490 has head right). CNG 351, 826.

With permission of cngcoins.com, auction 351, lot 826, Oct. 2015.