Galla Placidia, Mother of Valentinian III, Augusta, 421-450.
Solidus circa 430-440, AV 4.46 g. GALLA PLA – CIDIA AVG Draped bust r., wearing pearl diadem and with her hair elaborately adorned with jewels; above her head, crowned by the Manus Dei. Rev. VOT XXX MVLT XXXX Z Constantinopolis seated l., resting foot on prow, holding cross on globe in her r. hand and sceptre in her l.; in r. field, star. In exergue, CONOB. MIRB –. RIC 263 (this coin cited). Depeyrot 81/6 (this coin cited).
Extremely rare variety. Almost invisible graffito on reverse, otherwise extremely fine

Ex M&M 68, 1986, 417 and Leu 86, 2003, 1058 sales.