The Right Honourable Lady Mary Campbell youngest daughter of John Duke of Argyll and Greenwich, Knight of the Garter, and widow of Edward Lord Viscount Coke, only son of Thomas Earl of Leicester / [graphic]McArdell, James, approximately 1729-1765, printmaker[between 1762 and 1765]eng"Portrait standing whole-length in profile to left supporting large lute with her right hand, beside harpsichord in interior, head turned to face front, wearing white satin dress with pearls, lace and ribbon; armchair, pillars and curtain behind."--British Museum online catalogueTitle engraved below image.State from: Smith, J.C. British mezzotinto portraits.Date of publication from the British Museum online catalogue, registration no.: 1902,1011.3229.