The Thoroughbred stallion <a href="https://en.wikipedia.org/wiki/Aboyeur" class="extiw" title="w:Aboyeur">Aboyeur</a> in 1913 after winning the <a href="https://en.wikipedia.org/wiki/Epsom_Derby" class="extiw" title="w:Epsom Derby">Epsom Derby</a>.
Uncredited photographer
Illustrated sporting &amp; dramatic news. v. 79 (June-Aug. 1913). page <a rel="nofollow" class="external text" href="http://hdl.handle.net/2027/nyp.33433104889377?urlappend=%3Bseq=71">731</a>