Watch List notes:

PTOLEMAIC KINGS of EGYPT. Ptolemy I Soter. As satrap, 323-305 BC. AR Tetradrachm (25.5mm, 17.04 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 (unlisted dies); Rouvier 1150; DCA 877; CNG E-440, lot 233 (same dies). Toned, countermark on obverse, banker's mark and a few small scratches on reverse. VF. Struck in high relief.

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