Nelly O'Brien (Lady Mary O'Brien); John Dixon; ca. 1740-1811; Irish; after Sir Joshua Reynolds RA; 1723-1792; British; Published by William Wynne Ryland; 1732-1783; British; 1774; Mezzotint on moderately thick; slightly textured; beige laid paper; Sheet: 19 13/16 x 13 7/8 inches (50.4 x 35.3 cm) and Image: 18 x 13 7/8 inches (45.7 x 35.3 cm); braids; cape; cloak; drapery; dress; embroidery; hair; mantle; noblewoman; portrait; profile; sitting; solemn; tassel; thoughtful; urn; woman; Europe; Orkney; Scotland; United Kingdom