J.E.CALDWELL & CO, A DIAMOND-SET BOW BROOCH, EARLY 20TH CENTURY

J.E.CALDWELL & CO, A DIAMOND-SET BOW BROOCH, EARLY 20TH CENTURY, of stylised design set with graduated old circular-cut diamonds, centring on a larger diamond and suspending two articulated diamond drops in platinum and gold, signed and numbered D6582, width 7.5cm