Watch List notes:

PTOLEMAIC KINGS of EGYPT. Ptolemy I Soter. 305-282 BC. AR Tetradrachm (28mm, 13.93 g, 12h). Alexandreia mint. Struck circa 300-285 BC. Diademed head right, wearing aegis around neck, small Δ behind ear / Eagle standing left on thunderbolt; to left, P above monogram. Svoronos 265; SNG Copenhagen 73. Fine, bankers' marks and scratches.

From the W. H. Guertin Collection.