Watch List notes:

C. Plutius. 121 BC. AR Denarius (18mm, 3.80 g, 9h). Rome mint. Helmeted head of Roma right; X (mark of value) behind / The Dioscuri riding right. Crawford 278/1; Sydenham 414; Plutia 1; RBW 1101. VF, toned, a few minor marks under tone.

Ex Bruce R. Brace Collection (Classical Numismatic Group Electronic Auction 295, 30 January 2013), lot 360.