Watch List notes:

ARABIA, Southern. Saba'. 2nd–3rd centuries AD. AR Unit – Denarius (15mm, 1.91 g, 1h). Diademed male head left; [disc-crescent of Dhat-Hamim above], curved symbol of Almaqah to left, symbol of Athtar to right, G (in South Arabian) below / Facing boukranion; disc-crescent of Dhat-Hamim above, monogram to left, curved symbol of Almaqah to right. CAF 2.2i var. (letter on obv.); Huth 304 var. (same); SNG ANS 1503–21 var. (no letters on obv). Good VF, toned, light deposits, obverse off center. Apparently unique with this letter on obverse.