Watch List notes:

C. Cato. 123 BC. AR Denarius (19mm, 3.91 g, 5h). Rome mint. Helmeted head of Roma right; X (mark of value) to left / Victory, holding whip and reins, driving galloping biga right. Crawford 274/1; Sydenham 417; Porcia 1; RBW 1096. Toned, a few faint marks, some roughness. VF.

From the Charles Chamberlain Collection. Ex Classical Numismatic Group Electronic Auction 188 (29 March 2006), lot 188.