kohn-singleton-copley:

Abigael Bromfield Rogers (Mrs. Daniel Denison Rogers) (1753-1791), John Singleton Copley, c. 1784, Harvard Art Museums

Harvard Art Museums/Fogg Museum, Gift of Paul C. Cabot, Treasurer of Harvard University, 1948-1965 and Mrs. Cabot
Size: 127 x 101.6 cm (50 x 40 in.)
frame: 150.5 x 125.1 x 8.9 cm (59 ¼ x 49 ¼ x 3 ½ in.)

Medium: Oil on canvas

https://www.harvardartmuseums.org/collections/object/227926