A GOLD, DIAMOND AND HALF PEARL SET AND ENAMELLED MOURNING RING

Of oval form, mounted with the oval rose diamond at the centre, on a blue enamelled ground within a white enamelled border and with a surround of half cultured pearls (two half cultured pearls lacking) between enamelled shoulders, inscribed and dated to the back 10 Feby 1799, ring size O, gross weight 5.9 gms, with a later case