A fine gold, turquoise and chrysoberyl brooch

A fine gold, turquoise and chrysoberyl brooch, circa 1850, designed as an undulating gold ribbon engraved with floral scrolls and applied with floral motifs of turquoise cabochons, threaded through a ring of cushion-shaped chrysoberyls, suspending a snake chain festoon and two drop pendants set with additional turquoise cabochons, length approximately 8.5cm, one turquoise flower motif deficient

Cf.: Daniela Mascetti and David Bennett, Understanding Jewellery, Antique Collector's Club, 1989, pg. 119, no.113, for a brooch of similar design