Keywords: Mary Stuart (1718-1794), Countess of Bute, after Sir Joshua Reynolds.jpg Artwork en Mary Stuart 1718-1794 Countess of Bute copy after a larger original 1780 Oil on canvas cm 88 3 71 1 unknown inscribed b l Mary Countess of Bute 1780 / Daughter of Edward Wortley Montagu http //www christies com/lotFinder/lot_details aspx intObjectID 5603067 Christie's other versions PD-old-100 DEFAULTSORT 1780; Countess of Bute Works after Joshua Reynolds Female portraits by Joshua Reynolds 18th-century portrait paintings location missing John Stuart 3rd Earl of Bute wife of 1780 oil on canvas paintings Portrait 1780 portrait paintings from Great Britain 1718 births 1794 deaths 18th-century oil portraits of standing women at half length 18th-century women of Great Britain Countesses in the Peerage of Great Britain Female portraits with gloves Lace caps in art Portraits with shawls Portraits with umbrellas Three-quarter view painted portraits of women facing left |