Watch List notes:

Anonymous. 169-158 BC. Æ Semis (25.2mm, 12.85 g, 11h). PT or TP series. Rome mint. Laureate head of Saturn right; S (mark of value) to left / Prow of galley right; PT (ligate) above, S (mark of value) to right, ROMA below. Crawford 177/2; Sydenham 353a; Type as RBW 748. VF, brown surfaces with touches of green and red. Rare.

From the Andrew McCabe Collection. Ex Artemide Aste 1E (19 September 2009), lot 10104.