Watch List notes:

PTOLEMAIC KINGS of EGYPT. Ptolemy I Soter. As satrap, 323-305 BC. AR Tetradrachm (28mm, 17.01 g, 12h). In the name of Philip III of Macedon, types of Alexander III. Sidon mint. Dated RY 14 of Abdalonymos (320/19 BC). Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; Ξ (date) in left field, ΣI below throne. Price P172 corr. (4dr not AU); Newell, Dated 43, obv. die XX; DCA 874. Good VF, lightly toned, slight porosity and roughness in spots.

See A. DeShazo, "The Alexander Type Coinage of Sidon" in JONS 233 (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