A CHRYSOBERYL BROOCH, CONVERTED, POSSIBLY PORTUGAL, 18TH CENTURY

A CHRYSOBERYL BROOCH, CONVERTED, POSSIBLY PORTUGAL, 18TH CENTURY, originally designed as an earring, the surmount centred with a circular-cut chrysoberyl within a chrysoberyl-set ribbon-tie border, suspending a chrysoberyl-set scrolling drop-shaped pendant centred with a cushion-shaped chrysoberyl, mounted in silver, length 4.8, later brooch fitting