19th Century civil war hardtack, as reproduced faithfully by a civil war re-enactor. To the left, army hard tack. To the right, Navy hard tack. Both would never be seen just laying around. They would either be in a barrel, a haversack, or human hand.
<a href="https://en.wikipedia.org/wiki/User:D._Farr" class="extiw" title="wikipedia:User:D. Farr">D. Farr</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
23 January 2007 (original upload date)
Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons.