Watch List notes:

EGYPT. Ptolemy I Soter. 323-305 BC. AR tetradrachm. (28mm, 15.69g). Ptolemaic standard. In the name of Alexander III of Macedon. Alexandria mint. Struck circa 311/0-305 BC.
Diademed head of the deified Alexander right, wearing elephant skin headdress / Athena advancing right; to right, helmet, ΔΙ, and eagle standing right on thunderbolt. Svoronos 169. SNG Copenhagen 30. EF toned.

Estimate: $3500