A 19th century enamel and diamond locket brooch pendant

A 19th century enamel and diamond locket brooch pendant, the circular locket with Royal blue guilloché enamel decoration and white enamel border and set with rose-cut diamonds, surmounted by a rose-cut diamond-set bow in silver and gold, glazed locket compartment to reverse, 3.8cm high

This lot is offered without a reserve.