René Lalique Leather, enamel, glass and citrine collar, 'Chantecler'
In openwork leather embroided with silk, depicting roosters applied with enamel and accented by glass berry motifs, the clasp collet-set with a cabochon citrine, signed Lalique, 18 carat gold, gross weight 277.45 grams; 1909, case stamped Lalique.