Watch List notes:

MESOPOTAMIA, Uncertain mint (Edessa?). Marcus Aurelius. AD 161-180. AR Drachm (16mm, 1.98 g, 12h). Struck circa AD 165. Laureate head right / Armenia seated on ground left, wearing tall headdress; beside her, shield and signum. RPC IV.3 Online 8031. Toned, areas of find patina and deposits. VF. Retrograde reverse legend. Extremely rare, RPC Online cites only one specimen.