Watch List notes:

ARABIA, Southern. Saba'. Late 4th–mid 2nd centuries BC. AR nṣf – Unit (15mm, 4.85 g, 7h). Imitating Athens. Helmeted head of Athena right; N (in retrograde South Arabian; mark of value) on cheek / Owl standing right, head facing. Van Alfen, Studies, Group SII.A, 10 (O6/R4); CAF 1.1i; HGC 10, 720. VF, toned, softly struck.

From the W. H. Guertin Collection.