Kolophon, Ionia. AE18, 5.1 gr. 190-30 BC.
 
Obv: Apollo head facing slightly left;
Rev: KOLOFON IKESIOS, tripod, lyre countermark

SNG Cop 183 (also with same countermark); Milne 176E

Contributed by Romanorvm of the Forum Ancient Coins, July, 2011