An illustration in an edition of the Prince published by Henry G. Bohn, London, in 1847. <a rel="nofollow" class="external autonumber" href="https://books.google.ca/books?id=WFEIAAAAQAAJ">[1]</a>
Engraving by Hinchliff. After a painting attributed to Brunzoni (Bronzino). <a rel="nofollow" class="external autonumber" href="http://www.diomedia.com/stock-photo-niccolo-machiavelli-italian-political-philosopher-image3694997.html">[2]</a><br><small>Flickr reproduction: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/nikosv/">Nikos Vatupokos</a></small>
before 1848 <div style="display: none;">date QS:P,+1848-00-00T00:00:00Z/7,P1326,+1848-00-00T00:00:00Z/9</div>
Taken from <a rel="nofollow" class="external free" href="https://www.flickr.com/photos/nikosv/5420599725">https://www.flickr.com/photos/nikosv/5420599725</a>. Original source not mentioned.