Watch List notes:

HADRIAN, (A.D. 117-138), AE dupondius, Rome mint, issued A.D. 127, (15.22 g), obv. radiate head of Hadrian to right, around HADRIANVS AVGVSTVS, rev. COS III, Salus seated to left, resting left arm on chair and with patera in right hand feeding snake coiled round altar, (S.3659, RIC 657, C.370). Dark brown patination, very fine, slightly off centred on obverse, rare.