A George III Irish silver dish ring

A George III Irish silver dish ring,

maker's mark probably that of Michael Homer, Dublin circa 1785,

circular form, pierced foliate scroll decoration, with a rocaille mounted cartouche, engraved with a later crest and motto, the reverse with a vacant cartouche, diameter of base 19cm, approx. weight 15.2oz.

The crest is associated with O'Duinne, Doyne and Dunn of Ireland.