Art Nouveau necklace, probably Levinger & Bissinger , Pforzheim approx. 1900/05, silver, partly gilded, slightly rubbed, abstr.floral arrangement, plique-a-jour enamel in light green and dusky pink, bevelled, lilac coloured amethyst-rectangle centered, french import mark, plique-a-jour enamel with sl. craquelure, undisturbed, small pearl as suspension, orig. chain, similarly in lit. pictured, very rare, elegant, unique, collectable, l. approx. 57 cm, middle part approx. 5.5 x 4.2 mm