Watch List notes:

Gratian, 367-383. Solidus (Gold, 21 mm, 4.44 g, 12 h), Constantinopolis, 378-383. D N GRATIA-NVS P F AVG Rosette-diademed, draped and cuirassed bust of Gratian to right. Rev. CONCOR-DIA AVGGG / CONOB Constantinopolis seated facing on throne ornamented with lion's heads, head turned to right, holding long scepter in right hand and globe in her left, placing right foot on prow. Depeyrot 32/1. RIC 44a. Faint marks on the reverse and with an edge nick, otherwise, extremely fine.