A Victorian Etruscan Revival mourning brooch, of domed circular form, composed of a floral motif

A Victorian Etruscan Revival mourning brooch, of domed circular form, composed of a floral motif fully embellished with split pearls, superimposed upon a light blue enamelled dome, outer surround reeded with black and white enamel and further encompassed with twisted rope details and granulate ornaments, attached to an hourglass-shaped surmount to a similarly fashioned bail, a glazed compartment to the reverse, fitted with a pin stem and catch, yellow metal hallmarked '16', overall measuring 6.2 x 4.5 cm, total weight of item 31.1 grams.