Ionia, Phokaia, AR obol (Silver, 8,2 mm, 0,66 g), ca. 521-478 BC. Ionia, Phokaia, AR obol (Silver, 8,2 mm, 0,66 g), ca. 521-478 BC. Obv: Head of griffin left. Rev: Incuse square. Ref: SNG von Aulock 2118.