Electrum hekte, Late seventh–early sixth century BC. 2.74 gm. 

Cock or Siren standing left, with body of bird and human head wearing cap with long “curl”.
Irregular square incuse with irregular raised projections. 

Bement 1435 (same obverse die).

The type implies a coastal mint in western Asia Minor. 

Sold for $6250 (5555.93 EUR, £3665.62) including 15% buyers fee.] 
Re-used by permission of Harlan J Berk (www.harlanjberk.com) and
 Freeman & Sear (www.freemanandsear.com), Gemini III, lot 172, Jan. 2007.