Roman Imperial Coinage, Gratian, Solidus, Trier, 367-75, diademed, draped and cuirassed bust right, rev. two emperors enthroned facing, holding globe between them, Victory behind and above facing with wings spread, between them below a palm branch, tr ob c in exergue, 4.47g (RIC 17(g)3; RCV 19910). Metal flaw across emperor’s neck and scuffed on reverse, otherwise about extremely fine £300-£400