Above the helmet on the crown is an arm in armor with a bare hand holding a sword.
One of his brave acts was the killing of a bison that had been plaguing the village of Lubania.
During the reign of Walter II, King of Poland, the bison head was placed on the shield and the arm with a sword was placed above the crown and was named Pomian.
The example image on this page may be blazoned as follows:Arms: Or, a buffalo's head caboshed, sable, pierced with a sword, proper.
Crest: Out of a ducal coronet, an arm embowed in armor holding in its hand a sword, proper.