Marquise de St Maur, in the play 'Caste'
University of Bristol - Historical Photographs of China reference number: Os03-072. Photo from an album (UoB reference Os03) kept in the School of Oriental and African Studies Archives, London (SOAS reference MS 380 876/3). The comedy "Caste" was a very successful Victorian (1867) play by Tom Robertson. M.Galton as the Marquise de St Maur.
Black and white photograph
Archives & Special Collections, SOAS Library, University of London