Lot 615. An Art Nouveau Gem-set Hair Ornament, by R. Leclerc, circa 1915. Estimate HK$ 120,000 - 180,000 (€15,000 - 22,000). Photo: Bonhams.

The dragonfly with finely carved translucent horn wings accented by four cabochon moonstones, the legs clasping a kite-shaped citrine, signed R. Leclerc, hat pin detachable, width 17.1cm 

Bonhams. RARE JEWELS & JADEITE, 30 Nov 2016, 15:00 HKT - HONG KONG, ADMIRALTY