Watch List notes:

P. Aelius Q.n. Paetus. 138 B.C. AR denarius (20 mm, 3.96 g, 8 h). Rome. Head of Roma right, wearing winged helmet; behind, X / P · PAETVS below, ROMA in exergue, the Dioscuri riding right, each holding couched lance. Crawford 233/1; Sydenham 455; Aelia 3. Some oxydation, otherwise very fine. 

Ex Artemide Aste 8E (27 May 2001), 8154.