Kolophon, Ionia, Kolophon, Ionia, AR hemiobol. 0.315g, 6.86mm, c. 450 - 410 BC.

obverse laureate head of Apollo right; 
reverse T - E monogram, cicada to left, all within incuse square.
 
SNG von Aulock 2002, SNG Kayhan 359

Courtesy of Forum Ancient Coins, Dec. 2010