Antique French miniature portrait of a society lady signed D van Loo

Antique French miniature portrait of a society lady signed D van Loo. French, circa 1860-80. Signed by the artist - D van Loo. Oil painting on organic material. Wooden frame, possibly mahogany. Glazed. Depicts a society lady in a blue dress. Size of frame: 4.75 inches square; Diameter of glazed portrait aperture: 2.25 inches; Weight: 116g (allow 1 kg once packed).