French verge watch with 2 hidden erotic paintings Circa 1810

Silver open faced pocket watch probably from France
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A rare French verge pocket watch with 2 hidden erotic enamel paintings, circa 1810.
Silver case with reeded mid section, enameled dome, enamel plate with painting of a couple, dome with spring lid function and on the inside another “hidden” enamel painting of a couple in an erotic scene. Fire-gilt verge movement. White enamel dial with Arabic numerals and Breguet steel hands.
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Diameter: 52 mm
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Weight: 101 g
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Signed: No name
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Pocket watches with 2 or more hidden erotic paintings are extremely rare and wanted collector’s items.