Watch List notes:

Anonymous. 199-170 BC. AR Denarius (19.5mm, 3.98 g, 5h). GR series. Uncertain mint. Helmeted head of Roma right; X (mark of value) to left / The Dioscuri, each holding spear, on horseback right; below horses, GR. Crawford 169/1; Sydenham 289; Sempronia 1; Type as RBW 726. Attractively toned with some iridescence, a few light marks. VF. Very rare.

From the Andrew McCabe Collection. Ex Numismatica Ars Classica 92 (Part II, 24 May 2016), lot 1761.