Watch List notes:

ARABIA, Southern. Qataban. Unknown ruler(s). Circa 350-320/00 BC. AR 'rb't – Tetradrachm (21mm, 16.93 g, 8h). Imitating Athens. Helmeted head of Athena right / Owl standing right, head facing; olive spray and crescent to left; all within incuse square. Van Alfen, Studies, Type QI.A, – (unlisted dies); CAF 1.0.4; Huth 328–37; HGC 10, 706. Good VF, toned, some roughness and cleaning marks, slight die shift on obverse.