Watch List notes:

Ionia, Phokaia AR Diobol. Circa 521-478 BC. Head of nymph to left, wearing a sakkos adorned with a central band, and rosette earring / Quadripartite incuse square. Klein 452; SNG Copenhagen 389-393; SNG von Aulock 1815. 1.30g, 9mm.

Very Fine.

From the inventory of a Swiss dealer;
Ex Roma Numismatics Ltd., E-Sale 62, 17 October 2019, lot 312.