Watch List notes:

Ptolemaic Kingdom. Ptolemy I Soter. Silver Tetradrachm (15.75 g), as Satrap, 323-305 BC. Alexandria, in the name of Alexander III, ca. 311/0-305 BC. Diademed head of the deified Alexander right, wearing elephant's skin headdress. rev. AΛEΞANΔPOY, Athena Alkidemos advancing right, wielding javelin and holding forth shield; in left field, ΘE monogram; in right field, Corinthian helmet right above ΔI and eagle standing right on thunderbolt. Svoronos 177; Zervos issue 33, dies 534/d (this coin cited); SNG Copenhagen -; SNG Lockett 3394 (this coin). A superb specimen. Removed from an NGC slab where graded Ch AU*; Strike: 5/5, Surface: 5/5. Fine style. Estimated Value $1,500

From the Dr. Patrick Tan Collection
Ex R. C. Lockett Collection (Glendining, 21 February 1961), lot 2781;
Ex Cartwright Collection (Münzhandlung Basel 4, 1 October 1935), lot 950.