138
A chalcedony intaglio and diamond brooch
A chalcedony intaglio and diamond brooch, early 19th century, set with a section of chalcedony engraved with an intaglio of Ceres in profile, within frame of silver scrollwork set with rose-cut diamonds, accented with blue enamel, overall dimensions 6.9 x 5.9cm, intaglio 4 x 2.9cm, later brooch fitting
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