Watch List notes:

M. Aufidius Rusticus. 140 BC. AR Denarius (19mm, 3.98 g, 9h). Rome mint. Helmeted head of Roma right; XVI (mark of value) behind, RVS beneath chin / Jupiter driving galloping quadriga right, holding whip, scepter, and reins; M•(AVF) below horses; ROMA in partial frame in exergue. Crawford 227/1c; Sydenham 446; Aufidia 1; Type as RBW 954. Near VF, toned, graffito on obverse. Very rare.

From the Andrew McCabe Collection, purchased from Numismatica Ars Classica VCoins.com store, 2011.