Watch List notes:

ARABIA, Southern. Saba'. Late 4th–mid 2nd centuries BC. AR nṣf – Unit (14.5mm, 5.22 g, 6h). Imitating Athens. Helmeted head of Athena right; N (in retrograde South Arabian; mark of value) on cheek / Owl standing right, head facing; olive spray and crescent to left; all within incuse square. Van Alfen, Studies, SII.A; CAF 1.1i; Huth 165-9; HGC 10, 720. Toned. VF.

From the Dr. Stephen J. Antonello Collection, purchased from Nilus Coins (Bill Kalmbach), 11 January 2003 (his inventory ticket included).