A reproduction of a stamp used on U.S. Navy Aircraft History Cards created in a Microsoft Excel spreadsheet.
<a href="//commons.wikimedia.org/wiki/User:Noha307" title="User:Noha307">Noha307</a>
CC BY-SA 4.0
Based on a stamp on an original card from a <a rel="nofollow" class="external text" href="http://warbirdinformationexchange.org/phpBB3/viewtopic.php?f=3&amp;t=54796&amp;start=30#p621024">post</a> on the Warbird Information Exchange forum.