Watch List notes:

CELTIC IMITATIVE TYPES: AR tetradrachm (16.61g), late 3rd century BC, Price (same control marks as drachm Price-B17), contemporary Eastern Celtic imitation based on the Chios drachm of Alexander III of Macedon (Price-2324): head of Herakles right, wearing lion skin headdress // Zeus Aëtophoros seated left on throne, holding scepter, monogram above grape bunch to left, well-struck with bright tone, a lovely example of Celtic coinage! VF, R. This is the only tetradrachm that we have encountered with these control marks.

Estimate: 200-300 USD