Watch List notes:

EMPIRE, Galla Placidia, wife of Constantine III and mother of Valentinian III, AV Semissis (421-422 AD) (Ravenna and Roma) (2.20g). Pearl-diademed, draped, and cuirassed bust right D N GALLA PLACIDIA P F AVG Rev. Christogram within wreath SALVS REIPVBLICAE / COMOB. RIC 2054. Choice Extremely Fine.