Sorry, Jon. I can't make out the werknummer.
This may be another view of it.
http://forum.12oclockhigh.net/album....&pictureid=604
This photo was originally posted by David E. Brown in post No. 15 of this thread:
giving source
Also the spelling in the title of this thread should be Moosburg, north-east of Munich, found about 15 km. SW of Landshut.
The following thread gives more information:
http://forum.12oclockhigh.net/showthread.php?t=36948