Lot 778. A Tourmaline and Kingfisher-Feather Brooch. Estimate HKD 180,000 - 320,000 (USD 23,029 - 40,941). Lot sold HKD 236,000 (USD 30,194).© Poly Auctions

Of floral design, skilfully set throughout with Kingfisher feathers, embellished and terminated with cabochon tourmalines, deocrated with pearls, mounted in 18K gold, 11.2 cm long. 

Poly Auctions. Important Jewels and Prestige Collections, Grand Lisboa Hotel Macau, 29 November 2018