Watch List notes:

Further Coins From the Cabinet of Robert P. Ball | Cilicia, Apollonia Pontika, AR Tetrobol, c.480-450BC, Gorgon facing with tongue protruding and snakes for hair, within incuse circle, rev. anchor with crayfish to right, 10h, (SNG BM Black Sea, 150-1), toned with die-wear, crack to five o'clock of obverse, lustrous and an unusual variety, good fine.
Provenance: Brought by Private Treaty from Myers NYC, 1971, $155.
Estimate: £100 - £120