Watch List notes:

PTOLEMAIC KINGS OF EGYPT. Ptolemy I Soter, 305-282 BC. Tetradrachm (Silver, 29 mm, 15.55 g, 12 h), struck in the name of Alexander III "the Great", Alexandria, c. 306 - c. 300. Diademed head of the deified Alexander III to right, with horn of Zeus Ammon above his ear, wearing an elephant's skin headdress and an aegis around his neck; in aegis, Δ; on Alexander's cheek and in the field to right, countermark. Rev. ΑΛΕΞΑΝΔΡΟΥ Athena Alkidemos advancing to right, brandishing spear with her right hand and with a shield on her left arm; in the field to right, monogram of ΗP behind eagle standing right on thunderbolt; above eagle, Corinthian helmet to right; in the field to left, eight-pointed star. Lorber 66. Svoronos 174. Zervos issue 26. Toned and attractive. Two countermarks on the obverse, otherwise, about extremely fine.
From an American collection, ex Gorny & Mosch 107, 2 April 2001, 293.