Franz SCHEURLE (workshop) - Germany Silver ring (925 thousandths) composed of three rows of silver pearls surrounding a lapis lazuli cabochon. Marked FS. Circa 1960. Finger size : 52 Gross weight: 22.3 g. Located in Schwäbisch Gmünd, not far from Stuttgart in Germany, Franz Scheurle set up his factory in 1903 and began creating jewellery. His son took over production in the 1960s. Around 1970, the company's name was changed from Frans Scheurle to Quinn, and it still goes by that name today.