Watch List notes:

Anonymous. 179-170 BC. AR Denarius (19mm, 3.97 g, 9h). Cornucopia (second) series. Rome mint. Helmeted head of Roma right; X (mark of value) to left / The Dioscuri, each holding spear, on horseback right; two stars above; below horses, cornucopia. Crawford 157/1; Sydenham 340; RSC 20h. VF, toned, a few faint scratches on the reverse. Very rare.

Ex Karl Sifferman Collection (Classical Numismatic Group Electronic Auction 171, 22 August 2007), lot 63 (where it was incorrectly attributed as Crawford 58/2).