Nellie Farren in <i>Aladdin</i>, <a href="//commons.wikimedia.org/w/index.php?title=Gaiety_Theatre,_London&amp;action=edit&amp;redlink=1" class="new" title="Gaiety Theatre, London (page does not exist)">Gaiety Theatre, London</a>, 1881
<ul><li>Cabinet card signed by Nelly Farren</li></ul>
W. &amp; D. Downey Photographers, London
<ul><li><a rel="nofollow" class="external text" href="http://www.sothebys.com/en/catalogues/ecatalogue.html/2010/music-and-continental-books-and-manuscripts-l10402#/r=/en/ecat.fhtml.L10402.html+r.m=/en/ecat.lot.L10402.html/88/">Sotheby's</a></li>
<li><a rel="nofollow" class="external text" href="https://collections.vam.ac.uk/item/O142389/guy-little-theatrical-photographs-photograph-wd-downey-photographers/">Description of this photo by V&amp;A Museum</a>.  The dimensions of the photograph, <a rel="nofollow" class="external text" href="https://collections.vam.ac.uk/item/O142389/guy-little-theatrical-photographs-photograph-wd-downey-photographers/">given here</a>, confirm that it was a cabinet card, not a carte de visit.</li>
<li>Note that <a rel="nofollow" class="external text" href="http://www.sothebys.com/en/catalogues/ecatalogue.html/2010/music-and-continental-books-and-manuscripts-l10402#/r=/en/ecat.fhtml.L10402.html+r.m=/en/ecat.lot.L10402.html/88/">Sotheby's description of the item</a> does NOT say that this particular photo is of Farren as Thespis, only that Farren was the creator of a character in Thespis (we can see a drawing of her here <a href="https://en.wikipedia.org/wiki/en:File:Thespis_-_Illustrated_London_News_Jan_6_1872.png" class="extiw" title="w:en:File:Thespis - Illustrated London News Jan 6 1872.png">as Mercury</a> with an entirely different costume).</li></ul>