One of the coats of arms of the Counts of Celje. It was in use since Frederick II.
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<p><a href="//commons.wikimedia.org/wiki/File:Counts_of_Celje_coat_of_arms_(2-3).png" title="File:Counts of Celje coat of arms (2-3).png">Image:Counts of Celje coat of arms (2-3).png</a><br>Description: 
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<ul><li>(in Slovene) <a rel="nofollow" class="external autonumber" href="http://www.dlib.si/details/URN:NBN:SI:DOC-T6UFV6ES/">[1]</a> (Celjski zbornik, 1990. Vol. 26, No. 1. Pg. 55.)</li>
<li>(in Slovene) <a rel="nofollow" class="external autonumber" href="http://www.dlib.si/?URN=URN:NBN:SI:doc-JZ9E9M74">[2]</a> (Tancik, Ferdinand. "Grbi v kapeli sv. Jurija na Ljubljanskem gradu." Kronika (Ljubljana). Vol. 18. No. 3 (1970). Pg. 166.)</li></ul>