Herennius Etruscus, AE17 of Syedra, Cilicia. 3.41 g. AD 250-251.

KYIN ER ETR MEK DEKION KAICARA, bare-headed, draped, cuirassed bust right.
CYEDREWN, Hephaistos seated right, holding hammer, shield
on his knees, anvil to right.

Vienna 32170 (this coin); RPC IX 1212.