Watch List notes:

ARABIA, Eastern. Uncertain. 3rd–2nd centuries BC(?). AR Tetradrachm (26mm, 16.97 g, 1h). Imitating types of Alexander III of Macedon struck in Egypt under Ptolemy I. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; winged thunderbolt in left field, Λ in pellet form(?) below throne. CNG 90, lot 752; cf. Price 3976 (for prototype). In NGC encapsulation 5872605-034, graded Ch VF, Strike: 4/5, Surface: 2/5.