Watch List notes:

Trebonianus Gallus, 251-253. Sestertius (Orichalcum, 25 mm, 17.18 g, 11 h), Rome, mid-late 251. [IM]P CAES C VIB[IVS TREBONIANV]S GALLVS AVG Laureate, draped and cuirassed bust of Trebonianus Gallus to right. Rev. PAX AVGG / S C Paxstanding left, holding branch in her right hand, transverse scepter in her left. Banti 23. Cohen 78. RIC 115a. Coppery brown surfaces. Very fine.
From a European collection, ex Classical Numismatic Group 412, 653 and from Matthew Rich Collection, purchased from Antiquarius, on February 2013.