Tulsa, Oklahoma city seal, adopted in 1973 and modified in 2008.
Raymond Wiman
1973
Based off <a rel="nofollow" class="external autonumber" href="http://www.crwflags.com/fotw/flags/us-oktul.html">[1]</a>, using elements from <a href="https://en.wikipedia.org/wiki/File:TulsaOklahomaSeal.svg" class="extiw" title="en:File:TulsaOklahomaSeal.svg">File:TulsaOklahomaSeal.svg</a>