Extraordinary design necklace with various metal and coloured stone balls as well two culture pearls and a central, faceted green spinel (synthetic) with a diameter from approximate 8, 5 mm. Franz Renner, not designates, from the atelier stock of the artist acquired. Franz Renner was longstanding teacher at the renowned school of goldsmiths Pforzheim. Very Late 20th century L. One page of the chain approximate 24, 0 / 31, 5 cm. Ca. 39, 39 large