Watch List notes:

Gratian. AD 367-383. AR Siliqua (17mm, 1.70 g, 6h). Treveri (Trier) mint. Struck 9 August AD 378-25 August 383. Pearl-diademed, draped, and cuirassed bust right / Roma seated facing on throne, head left, holding globe and spear; –|–//TRPS. RIC IX 58a.1; RSC 56†a. Iridescent toning, flan crack, a few minor die breaks on reverse, spot of find patina on reverse. EF.

Ex WRG Collection, purchased from William B. Porter, 1982 (Classical Numismatic Group Electronic Auction 425, 25 July 2018), lot 594.