Vintage CJ Cloisonné Iris Bib Necklace

Beautiful signed CJ cloisonné bib choker necklace featuring a symmetrical floral purple iris and foliage arrangement with blossoms in a gradient of periwinkle to bluish white accented by crisp grass green leaves. Silver grey braided rat tail style cord, has some minor fuzzing and darkening from being worn. Clasp and back of cloisonné bib has tarnish/wear, is textured and signed CJ. Has faint crazing of enamel from age, only visible under strong direct light with magnification, please see magnified last picture. Approx 12” of cord (6” each side) and an additional inch of drop space from curve of bib. Vintage, at least 40 years old. Looks very much the deco art style of Alphonse Mucha.