Watch List notes:

PTOLEMAIC KINGS of EGYPT. Ptolemy I Soter. As satrap, 323-305 BC. AR Tetradrachm (27mm, 16.95 g, 12h). In the name and types of Alexander III of Macedon. Sidon mint. Dated RY 18 of Abdalonymos, king of Sidon (316/5 BC). Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; Σ (date) in left field, ΣI below throne. Price 3504; Newell, Dated 50 (obv. die XXVI); DCA 878. VF, heavily smoothed, cleaning scratches and banker's mark on reverse.

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