Watch List notes:

ARABIA, Southern. Saba'. Late 4th–mid 2nd centuries BC. AR gms – Half Unit (12.5mm, 2.59 g, 7h). Imitating Athens. Helmeted head of Athena right; G (in South Arabian; mark of value) on cheek / Owl standing right, head facing; olive spray and crescent to left, monogram to right. Van Alfen, Studies, Group SIII.B.– (unlisted with this monogram); Huth, Arabian 10b (unlisted); CAF 1.4ii var. (same); Huth –; SNG ANS –; HGC 10, 728. VF, compact flan, patches of find patina, flan flaw on obverse. Apparently unique half unit with this monogram.