From the Victoria & Albert Museum; traces of color removed from image and image made somewhat darker by gogm.
Artist John Brooks may have taken some license with extant portraits, including the one in the last image, to create these two portraits. The one to the left shows her wearing opening of Parliament robes.
Keywords: 1752, Cotes, Maria Gunning, Gunning family, Coventry family, Countess, British, curly coiffure, hair jewelry, choker neck band, bib, lace, off shoulder scoop décolletage, bertha, lace, laced bodice, quarter length full sleeves, elbow length close accordion sleeves, slashed sleeves, jeweled arm bands, floral bodice ornament