Watch List notes:

MESOPOTAMIA. Rhasaena. Elagabalus, 218-222. Hemiassarion (Bronze, 18 mm, 3.92 g, 6 h). [...] ANTωNI (the N both retrograde) Laureate head of Elagabalus to right, set on eagle right with spread wings forming a crescent. Rev. The Centaur Sagittarius advancing right, holding vexillum (?). Münzen&Medaillen GmbH 27 (2008), 2291 (same reverse die, but as 'Severus Alexander'). Rare. An unusually well struck and clear example. Good very fine.