Kyzikos Electrum Hekte, 500-450 BC. 11mm, 2.68 g. 

Boy sitting facing, head right, holding a tunny fish 
horizontally on his left hand.
Quadripartite incuse square. 

Von Fritze 113; SNG France 255-258; SNG von Aulock 1203; Boston MFA 1480.

With permission of cngcoins.com, Jan. 2008
Estimate: $2,000