Watch List notes:

Antoninus Pius. AD 138-161. AV Aureus (19.5mm, 7.17 g, 6h). Rome mint. Struck AD 150-151. IMP CAES T AEL HADR ANTONINVS AVG PIVS P P, bare head right / TR POT XIIII COS IIII, PΛX in exergue, Pax, draped, standing left, holding olive branch extended in right hand and vertical scepter in left. RIC III 200a; Strack 229δο; Calicó 1588 (same obv. die as illustration); BMCRE 727 (same dies); Adda 200 var. (break in obv. legend); Biaggi 744 (same obv. die); Mazzini 579 var. (same). Lustrous, some shallow scratches and hairlines on obverse. EF.