Cabinet card image of Italian baritone singer Mario Ancona (1860-1931). Photo by Aimé Dupont (d. 1900). <a rel="nofollow" class="external text" href="http://via.lib.harvard.edu:80/via/deliver/deepLinkItem?recordId=olvwork604920&amp;componentId=FHCL.Hough:5023275">TCS 1.478, Harvard Theatre Collection,</a>, Harvard University
<bdi><a href="https://en.wikipedia.org/wiki/en:Aim%C3%A9_Dupont" class="extiw" title="w:en:Aimé Dupont"><span title="Belgian photographer">Aimé Dupont</span></a>
</bdi>
1918 or earlier
<a rel="nofollow" class="external text" href="http://via.lib.harvard.edu:80/via/deliver/deepLinkItem?recordId=olvwork604920&amp;componentId=FHCL.Hough:5023275">TCS 1.478, Harvard Theatre Collection</a>, Harvard University