Buenas
Efectivamente es griega, de Kolophon (KOΛ) , en Ionia.
Kolophon, Ionia, 330 - 285 B.C.
Bronze AE 18, BMC Ionia, p. 39, 27 var (diff. magistrates), cf. p. 40, 37 (same magistrate, 1/2 unit); magistrate unlisted in SNG Cop, SNG Aul, and Lindgren, VF, Kolophon mint, 4.819g, 17.0mm, 315°, 330 - 285 B.C.; obverse laureate head of Apollo right; reverse KOΛ, horseman prancing right, chlamys flying behind, spear in right, magistrate's name THΛEΓONOΣ below.
Un saludo.
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SIT VIS NOBISCUM (Que la fuerza te acompañe)