Confederate Lieutenant <a href="https://en.wikipedia.org/wiki/Uniknown" class="extiw" title="en:Uniknown">Unknown</a> on a <a href="https://en.wikipedia.org/wiki/mortar_(weapon)" class="extiw" title="en:mortar (weapon)">mortar</a> aimed at Union-controlled <a href="https://en.wikipedia.org/wiki/Fort_Pickens" class="extiw" title="en:Fort Pickens">Fort Pickens</a> in 1861.
Unknown author<span style="display: none;">Unknown author</span>
<ul><li><i><a rel="nofollow" class="external text" href="https://archive.org/stream/photographichist05mill#page/59/mode/1up">The Photographic History of The Civil War in Ten Volumes: Volume Five, Forts and Artillery</a></i>. The Review of Reviews Co., New York. 1911. p. 59.</li></ul>