Necklace. Plique-à-Jour Enamel, 18 Karat Gold, sapphire, circa 1900 Necklace. Plique-à-Jour Enamel, 18 Karat Gold, sapphire, circa 1900 Related Posts:American Modern - Marcus & Co jewelryPlique-a-jour enamel jewelleryFrench jewelry designer Lucien GautraitGerman jewelry designer Karl RothmüllerSigned NB Nicole Barr Fine Enamel jewelryEnglish jewelry designer John Paul Cooper
