French school circa 1760, entourage of Louis Michel VAN LOO Portrait of Olympe de Calvière in a trompe l'oeil painted oval Canvas 46.5x37.5cm Inscribed on paper on the reverse of the stretcher "Olimpe de Calvière - Boucoiran, marquise de Calvière married to Charles François de Calvière, her cousin in 1733, died as a saint in Lyon in 1768, buried in the Eglise d'Ainay and her heart in the parish of Vézénobres". (Old restorations, scratches, accidents and missing pieces) Provenance: Marquis de Calvière Collection, Château de Vézénobres.