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BOUCHERON Paris Rare and significant “Fleur” secret-compartment brooch Circa 1940–50 Crafted in 18K yellow gold (750 parts per thousand) and platinum (950 parts per thousand), stylized as a blooming flower. The hinged center, entirely set with brilliant-cut diamonds, forms a domed shell that opens via a concealed push button. It reveals a circular gold dial with painted Arabic numerals and blued steel sword-shaped hands. Mechanical movement with manual winding. The polished yellow gold petals, interspersed with chiseled green gold leaves, are delicately sculpted, edged, and accented with rows of brilliant-cut diamonds. Triple safety pin system on the back. Signed “BOUCHERON PARIS” on the back of the case. French hallmarks (Eagle’s Head and Dog’s Head). Gross weight: 38 g Diameter: 45 mm Condition: Very good condition. The secret opening mechanism is fully functional. The movement was functioning at the time of the appraisal (a routine service is recommended).