Watch List notes:

KINGS of MACEDON. Demetrios I Poliorketes. 306-283 BC. AR Tetradrachm (30.5mm, 16.25 g, 9h). Sikyon(?) mint. Struck circa 290-286 BC. Diademed and horned head right / Poseidon Pelagaios standing left, foot on rock, holding trident; monogram to inner left, HP monogram in wreath between legs. Newell 159, obv. die CLXIV; HGC 3, 1014h. Toned, roughness, flan flaws. Near VF. Rare.