Signature of <a href="https://en.wikipedia.org/wiki/Alexander_Wilson_(ornithologist)" class="extiw" title="w:Alexander Wilson (ornithologist)">Alexander Wilson</a>
Alexander Wilson<br><small><i><b>Created in vector format by <a href="//commons.wikimedia.org/wiki/User:Scewing" title="User:Scewing">Scewing</a></b></i></small>
Presumably before 1850
Reprinted in <i>The Literary History of Philadelphia</i> by Ellis Paxson Oberholtzer (Philadelphia: George W. Jacobs &amp; Co., 1906. <a href="//commons.wikimedia.org/wiki/Special:BookSources/1932109455" title="Special:BookSources/1932109455">ISBN 1932109455</a>)