The rear of the headstone of Col. Matthias W. Day, Medal of Honor recipient, at San Francisco National Cemetery in the Presidio of San Francisco.  See also <a href="//commons.wikimedia.org/wiki/File:Matthias_W._Day_headstone_front.JPG" title="File:Matthias W. Day headstone front.JPG">File:Matthias W. Day headstone front.JPG</a>.
<a href="//commons.wikimedia.org/wiki/User:BrokenSphere" title="User:BrokenSphere">BrokenSphere</a>
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<span class="int-own-work" lang="en">Own work</span>