Watch List notes:

KINGS of MACEDON. Demetrios I Poliorketes. 306-283 BC. AR Tetradrachm (28mm, 17.26 g, 6h). Pella mint. Struck circa 290-289 BC. Diademed and horned head right / Poseidon Pelagaios standing left, foot on rock, holding trident; monograms to outer left and right. Newell 84, obv. die LXX; HGC 3, 1014a. Toned. VF.

From the Richard L. Horst Collection.