Watch List notes:

Greek Coins
Neapolis

Drachm or tetrobol circa 500-450, AR 4.17 g. Gorgoneion facing. Rev. Quadripartite incuse square. Boston 562. SNG ANS 421.
In exceptional condition for the issue. Perfectly struck on a
full flan and good extremely fine
Ex Harlan J. Berk sale 99, 1997, 92.