Watch List notes:

PTOLEMAIC KINGS of EGYPT. Ptolemy I Soter. 305/4-282 BC. AR Tetradrachm (27mm, 14.29 g, 12h). Alexandreia mint. Struck circa 294-285 BC. Diademed head right, wearing aegis around neck, tiny Δ behind ear / Eagle standing left on thunderbolt; to left, P above monogram. CPE 168; Svoronos 255; SNG Copenhagen 70–1. Iridescent tone over lustrous surfaces, small edge split, a couple minor flan flaws on obverse. Good VF.

From the North River Collection. Ex Classical Numismatic Group 55 (13 September 2000), lot 720.