Thraco-Macedonian Region, uncertain mint. Hemiobol (500-480 BC). 0.4 gm., 8 mm. 

Obv: Head of Europa right, in front of her Zeus as bull.
Rev: Quadripartite incuse square.

Tzamalis 17. RRR

Condition: Very fine.
Estimate: € 150

Vcoins auction, Sept. 2011, lot 90.