Watch List notes:

KINGS of MACEDON. Demetrios I Poliorketes. 306-283 BC. AR Tetradrachm (27.5mm, 17.17 g, 5h). Amphipolis mint. Struck circa 292-291 BC. Diademed and horned head right / Poseidon Pelagaios seated left on rock; to inner left, monogram above Z; monogram to inner right. Newell 100, unlisted dies; HGC 3, 1013b. Minor die break on obverse. EF.

From the North River Collection. Ex Classical Numismatic Group 73 (13 September 2006), lot 159.