Louis Armstrong's signature.
<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Goldfishbutt" title="User:Goldfishbutt">Goldfishbutt</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:World_War_I_Draft_Registration_Card_for_Louis_Armstrong_1918.gif" title="File:World War I Draft Registration Card for Louis Armstrong 1918.gif">World_War_I_Draft_Registration_Card_for_Louis_Armstrong_1918.gif</a>: War Department. Office of the Provost Marshal General. Selective Service System.</li></ul>
1918-09-12
<ul><li><a href="//commons.wikimedia.org/wiki/File:World_War_I_Draft_Registration_Card_for_Louis_Armstrong_1918.gif" title="File:World War I Draft Registration Card for Louis Armstrong 1918.gif">World_War_I_Draft_Registration_Card_for_Louis_Armstrong_1918.gif</a></li></ul>