Watch List notes:

PTOLEMAIC KINGS of EGYPT. Ptolemy I Soter. 305/4-282 BC. AR Tetradrachm (25mm, 14.22 g, 1h). Alexandreia mint. Struck circa 294-285 BC. Diademed head right, wearing aegis around neck, small Δ behind ear / Eagle standing left on thunderbolt; to left, P above monogram. CPE 154; Svoronos 256; SNG Copenhagen 70-1 var. (same);. Iridescent tone, graffito and countermark (prow right in incuse circle) on reverse. VF.

Ex Classical Numismatic Group Electronic Auction 366 (13 January 2016), lot 602.