[Portrait of Maria Gunning, Countess of Coventry] [art original].[not after 1760]zxxOne of a number of related versions of this portrait in the style of Liotard. The sitter, identified as Maria Gunning, was a notable beauty of her time. She wears Turkish dress, a pearl choker necklace and large pearl earrings. Her pale complexion is achieved by lead white make-up know to be poisonousTitle from 2005 Christie's appraisal.Artist thought to be a follower of Jean-Etienne Liotard.