Lalique 1905 Pendant Necklace: enamel/ amethyst/ ivory: a carved ivory plaque, w/ a rearing horse/ rider/ fallen maiden in high relief, w/in a textured undulating gold tree surround, extending purple enameled leaves, 2 fancy-cut amethysts/ faceted amethyst drop/ mounted in gold: purple enamel bar link neck chain  christies.com