I think this is a German/Norwegian wooden AP mine. The mine is unmarked but it is IMO identical to the mine shown here:
http://www.lexpev.nl/minesandcharges/europe/norway/antipersonnelminem42.html
All additional information is much appreciated!





http://www.lexpev.nl/minesandcharges/europe/norway/antipersonnelminem42.html
All additional information is much appreciated!




