Watch List notes:

KINGS of MACEDON. Demetrios I Poliorketes. 306-283 BC. AR Tetradrachm (28mm, 17.08 g, 10h). Thebes mint. Struck circa 289-287 BC. Diademed and horned head right / Poseidon Pelagaios standing left, foot on rock, holding trident; monogram to inner right. Newell 141 (obv. die CXLII); HGC 3, 1014d corr. (photo caption). VF, toned, scattered contact marks. Wonderful, lifelike portrait.

From the Ealing Collection. Ex Spink Numismatic Circular CII.2 (March 1994), no. 803.