© National Portrait Gallery, London
Mary Ann Yates as Calista in Rowe's 'The Fair Penitent'
by John Thornthwaite, published by John Bell, after James Roberts
hand-coloured line engraving, published 16 July 1776
6 in. x 3 5/8 in. (152 mm x 92 mm)
Purchased with help from the Friends of the National Libraries and the Pilgrim Trust, 1966