Logo of the Verein zum Schutze Deutscher Einwanderer in Texas, a.k.a. the Mainzer Adelsverein. This organization worked to facilitate German immigration to Texas.
Mainzer Adelsverein
<a rel="nofollow" class="external free" href="http://digitalcollections.smu.edu/cdm/singleitem/collection/tex/id/1878/rec/7">http://digitalcollections.smu.edu/cdm/singleitem/collection/tex/id/1878/rec/7</a>