Watch List notes:

ARABIA, Southern. Saba'. Late 4th–mid 2nd centuries BC. AR nsf – Unit (16mm, 4.76 g, 7h). Imitating Athens. Helmeted head of Athena right, n (in South Arabian [mark of value]) on cheek / Owl standing right, head facing; olive spray and crescent to left, monogram and AΘE to right. Huth, Athenian, Symbol 32 var.; Van Alfen, Studies, Series SII.B.24 = Huth 224 var. (monogram); CAF –; HGC 10, –. VF, softly struck on obverse. Unique with this monogram.