Watch List notes:

ARABIA, Northwestern. Lihyan. Circa 350-250 BC. BI Tetradrachm (22mm, 16.97 g, 9h). Imitating Athens. Helmeted head of Athena right, upward crescent on cheek (= r in Lihyanite) / Owl standing right; olive spray and crescent to left. Huth, Athenian, fig. 5, a = BN 1976–71; Huth –. Earthen black patina. VF. Unusually fine style. Very rare, earliest issue in the Lihyan series.