Watch List notes:

Gratian AR Siliqua. Treveri, AD 367-375. D N GRATIANVS P F AVG, pearl-diademed, draped and cuirassed bust right / VRBS ROMA, Roma seated left holding reversed spear and Victory on globe; TRPS in exergue. RIC 27f (2); RSC 86b. 1.94g, 18mm, 12h. Very Fine. Pleasant iridescent toning.