Presumed oval miniature portrait of the marquis Claude Hector de Longueil (1733-1793), wearing the cross of the Order of St. Louis, in bust and uniform, three-quarter right. On the back is annotated: "... Marie de Longueil". In an oval gilt metal frame, mounted on a brooch. 18th century, circa 1770. H. 3,3 cm (seen).

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