Watch List notes:

L. Plautius Plancus, Denario, Roma, 47 a.C.; Ag, 3,67 g; Facing mask of Medusa with disheveled hair; coiled serpents flanking L·PLAVTIVS below/ Victory (or winged Aurora) flying right, head slightly left, holding reins and conducting four rearing horses of the sun, PL[AVTIVS].
Crawford 453/1a; Plautia 15