Here is an additional photo of the Feldsäbel's pommel which shows the peen block in detail.
I have found several good post which discuss the 'running wolf' of Passau. One of the best may be 'Early makers trade marks' post which was started by Jim McDougall in November of 2007.
http://www.vikingsword.com/vb/showth...3&page=1&pp=30