Thraco-Macedonian Region, uncertain mint. AR Hemiobol (500-400 BC). 0.2 gm., 7 mm. 

Obv: Griffin's head right.
Rev: Quadripartite incuse square.

Tzamalis 81 var (head left).

Condition: Very fine.
Estimate: € 100

Vcoins auction, Sept. 2011, lot 85