Valentinian III, AE46 Contorniate. Rome. ca. AD 433. 49.79 g.

DN PLA VALENTINIANVS PF AVG, pearl diademed, draped, 
cuirassed bust right. Countermarked with an incuse sun in right field (owner's mark).
MARGARITA VINCAS, the dancer Magarita standing front, 
looking right, holding wreath, winged being holding wreath flying right in left field.

RIC 2176 (this coin); Alföldi 466 (this coin); Sachero Coll. 15 (this coin)

With permission of Numismatica Ars Classica auction 72, Lot 803, May 2013.

Alfoldi -> Weber collection -> Hirsch auction -> Egger 
auction 45, lot 1259 (1913) -> Hess auction, Lucerne, 1965 
-> Sachero Collection -> ...