Watch List notes:

KINGS of MACEDON. Philip III Arrhidaios. 323-317 BC. AR Tetradrachm. In the name and types of Alexander III. Sidon mint. Struck under Laomedon. Dated RY 13 of Abdalonymos (321/0 BC). Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; N (date) in left field, ΣI below throne. Price 3501; Newell, Dated 38, obv. die XV; DCA 877. Some roughness. In NGC encapsulation 4372878-007, graded XF.

See A. DeShazo, "The Alexander Type Coinage of Sidon" (forthcoming), for an analysis of this series, proposing a few changes on certain aspects. The article is currently available at https://www.academia.edu/36978032/The_Alexander_Type_Coinage_of_Sidon