Watch List notes:

The Robert P Ball Cabinet of Ancient Coins | Macedonia, Neapolis, AR Stater, c. 500 BC, Gorgoneion with protruding tongue, rev. incuse quadripartite square, 12h (SNG ANS 418; SNG Delepierre 903; Dewing 1064; Svoronos, Pl. IX, no. 33), waterworn but struck in high relief, about very fine.
Provenance
Bank Leu, by private treaty, 1969 - CHF2,500
Estimate: $300 - $400