Pantikapaion, Thrace. AR Hemiobol, 7 mm, 0.55 g. Ca 470-460 BC. 

Lion's head facing.
Quadripartite incuse square.

SNG BM Black Sea 843; MacDonald 3/4; Hoover HGC 41; Stahnspavskov 703; Anokhin 21.

With permission of Numismatic Naumann, auction 52. April 2017.