Watch List notes:

ARABIA, Northwestern. Lihyan. 2nd–1st centuries BC. AR "Drachm" (13mm, 2.15 g, 9h). Imitating Athens. Helmeted head of Athena right, with frontal eye; monogram (mark of value?) on cheek / Owl standing right, head facing; olive spray and crescent to left; all within incuse square. CNG E-527, lot 145 (same rev. die); CNG 112, lot 351; CNG 109, lot 364; Leu Numismatik AG Web Auction 7, lot 556; Savoca London Auction 1, lot 118; cf. Huth 39 for same style (idiosyncratic to this mint); otherwise unpublished in the standard references. Edge chip, rough and porous surfaces. Fine.