Austrian pendant watch with concealed erotic scene Circa 1830

Silver and enamel pendant watch with concealed erotic scene by Georg Gratz
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An Austrian silver and enamel manually wound pendant watch with concealed erotic scene, circa 1830. Gilt finished movement hinged to the case. Enamel dial with Roman numerals depicting two Eros holding the Arrows of Love. Inner front cover depicting a woman looking at herself in a hand mirror held by Eros possibly depicting the Allegory of Virtue, outer front case depicting a Roman soldier holding a harp and a mirror and on either sides two ladies possibly depicting the Allegory of Music, Literature and Geography, back cover depicting a love scene of a Roman soldier with a Beauty accompanied by an Eros holding a bow possibly depicting the Allegory of Perfect Love, concealed erotic scene under the movement possibly depicting Lust. Movement signed.
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Diameter: 44 mm
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Signed: Georg Gratz