Galla Placidia, mother of Valentinian III (died 450 AD). AE 13 mm. Rome mint. Obv. DN GALLA PLACIDIA PF AVG. Pearl-diademed and draped bust right. Rev. SALVS REIPVBLICE. Cross; in right field, T (?); in exergue RM. RIC X 2112. 1.63 g. 13.00 mm. RRR. Extremely rare. Lovely brown patina with minor green deposits. About VF/VF.