French gold verge watch with a hidden erotic scene Circa 1750

Gold verge watch with  two polychrome enamel scenes
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French 18 carat gold verge watch with two polychrome enamel scenes, one is a funny hidden erotic scene on the inside, circa 1750.
Signed full plate fire gilt movement, pierced and engraved bridge cock with steel polished coqueret, silver regulator disc with blued steel indicator, winding through the front.
White enamel dial with black Roman numerals and Arabic outer, decorative gold hands.
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Diameter: 47 mm
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Weight: 84 g
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Signed: Le Pechon St Brieve
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Reference 0020000