Based off pictures found at the following links: <a rel="nofollow" class="external autonumber" href="http://shields.aaroads.com/salespage.php?state=AZ">[1]</a>;<a rel="nofollow" class="external autonumber" href="http://shields.aaroads.com/thumbs.php?state=AZ">[2]</a>. A 1927 Specification Arizona State Route Shield, traced from a picture of a real shield and sized to match <a href="//commons.wikimedia.org/wiki/File:US_66_Arizona_1926.svg" title="File:US 66 Arizona 1926.svg">File:US 66 Arizona 1926.svg</a>. The Swastika on the shield is historically accurate and represents a Native American design and is not to be associated with Adolf Hitler or the Nazis.
<a href="//commons.wikimedia.org/wiki/User:White_Star_Line_Fan" class="mw-redirect" title="User:White Star Line Fan">Matthew Anderson</a> (based on an original .PNG format picture found at the AARoads shield gallery.
<a rel="nofollow" class="external autonumber" href="http://shields.aaroads.com/salespage.php?state=AZ">[3]</a>