4th century AD. A D-section silver ring with inscription 'FIDEM', meaning loyalty, to the outer face in seriffed capitals. 2.15 grams, 20.18mm overall, 18.09mm internal diameter (approximate size British N, USA 6 1/2, Europe 13.72, Japan 13) (3/4"). From a private Buckinghamshire, UK, collection; acquired before 2000. Such rings, declaring allegiance and loyalty to the emperor, were presented to military officers of high rank as part of their annual bonus payments and this practice commenced under Constantine I, the Great. [No Reserve]