Beautiful necklace with industrial look, created in the northern Europe, surely in Germany during the transitional periods of the art deco and the retro, circa 1935. This necklace choker has a great eye appeal and has been crafted with machine age patterns in solid platinum .900/.999, with accents in 18 karat yellow gold. Fitted with a discrete push box lock with a hinged security slash for extra safety. The design is composed by 29 geometric links with incised curvilinear patterns similar to diamond cut guilloche. The links are attached together by delicate pins. Weight: 45.95 Grams, (29.46 Dwt). Measurements: Fit a neck up to 15.5 Inches, (39.37 Cm). The width is 8 mm. Hallmarks: Stamped with the platinum assay mark, "PLAT". 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.