Watch List notes:

ARABIA, Southern. Saba'. Late 4th–mid 2nd centuries BC. AR tmrt – Quarter Unit (10mm, 1.10 g, 8h). Imitating Athens. Helmeted head of Athena right; X (mark of value) on cheek / Owl standing right, head facing; olive spray and crescent to left; all within incuse square. Van Alfen, Studies SIV.A; CAF 1.1iii; Huth 178; HGC 10, 735. Lightly toned. VF.

From the collection of a Northern California Gentleman. Ex Classical Numismatic Group 46 (24 June 1998), lot 606.