Watch List notes:

PTOLEMAIC KINGS OF EGYPT. Ptolemy I Soter, as satrap, 323-305 BC. Tetradrachm (Silver, 26 mm, 16.64 g, 1 h), Memphis, c. 316/315. Head of Alexander the Great to right, wearing elephant's scalp, mitra, horn of Ammon and aegis. Rev. ΑΛΕΞΑΝΔΡΟΥ / ΒΑΣΙΛΕΩΣ Zeus seated left on throne, holding eagle in his right hand and long scepter in his left; to left, vertical thunderbolt; below throne, ΡΥ. De Hirsch 1788 = Svoronos 18b (same dies). Cf. Kunstfreund 252 (= Jameson 998 and Consul Weber 4456, same obverse die). Lorber 35b. Very rare, especially with the title Basileos. Toned, well-centered and with a remarkably powerful portrait of Alexander struck in high relief. Some minor marks, roughness and scrapes, otherwise, about extremely fine.
From a Swiss collection, acquired from the estate of a well-known collector who was active in the 1970s-early 1990s, ex Ancient & Rare Coins (Claude Amsellem, Rye, N.Y.) FPL August/Fall 1983, GS.86 ($8000).