Unique and one-of-a-kind piece designed back in the 1970 by Karl Stittgen. This modernist and organic bracelet, was crafted in solid yellow Gold of 18karats, with high polished finish. Suited with a invisible hinge and a discrete push lock. The top part is embellished with a sliced crude cut of a natural agate, with a diameter of 36 mm (1.42 inches). The estimate weight of the gemstone is about 20 carats (by formula) and exhibit great transparency and vivid colors saturations of pink, white and gray. Have a weight of 29.8 grams and fit a wrist up to 7.25 inches. The top view measures are 36 by 68 mm. Stamped, with the maker's mark logo and the Gold assay hallmarks, ".750". Very good conditions. Upon Request, Auction House may provide an appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.