1911 René Lalique Brooch Grenouilles Frogs

Brooch "Grenouilles" (Frogs) made in frosted glass with dark green patina on yellow foil by René Lalique in 1911.
Original brass mount.
Signature on the mount.

Perfect condition 

diameter: 4.2 cm

Félix Marcilhac, René Lalique - Catalogue Raisonné de l'Œuvre de Verre, Les Éditions de l'Amateur, Paris, 2011, N°1357.