Watch List notes:

The Robert P Ball Cabinet of Ancient Coins | Macedonia, Neapolis, AR Hemidrachm, c. 375-350 BC, Gorgoneion with protruding tongue, rev. N-E-O-P, head of Nymph right within shallow incuse circle, 2h (SNG ANS 440-441; HGC 3.1, 588), some flatness to highest points, otherwise pleasingly centred across attractively toned surfaces, a handsomely good very fine.
Provenance
Bank Leu, by private treaty, 1967 - CHF550
Estimate: $240 - $300