Watch List notes:

KINGS of MACEDON. Demetrios I Poliorketes. 306-283 BC. AR Tetradrachm (30mm, 17.19 g, 1h). Amphipolis mint. Struck 290-289 BC. Diademed and horned head right / Poseidon Pelagaios standing left, foot on rock, holding trident; monograms to inner left and right. Newell 115 (obv. die CIII); HGC 3, 1014b. VF, old collection ton.

From the Johnson Family Collection, purchased from Numismatic Fine Arts (Edward Gans), 5 May 1959.