Phokaia, Ionia. 1/48 Stater, ca. 625-522 BC. 5.90 mm, 0.33 g.

Obv: Head of seal left. 
Rev: Incuse square punch.

SNG von Aulock 7781; Bodenstedt 2.1; Rosen 307.

Very rare. 

With permission of Numismatik Naumann, auction 50, lot 223, Feb. 2017.