Lady Mary Catharine Bertie; Print made by John Dixon; ca. 1740-1811; Irish; after Matthew William Peters; 1742-1814; British; 1767; Mezzotint on moderately thick; slightly textured; cream laid paper; Sheet: 16 9/16 x 12 1/16 inches (42 x 30.7 cm); Plate: 13 1/8 x 9 inches (33.3 x 22.8 cm); and Image: 11 9/16 x 9 inches (29.3 x 22.8 cm); choker; daughter; gaze; hair; lace; lady; portrait; posing; ribbons; ruff; smiling; woman