Thank you Barry, I have had already the feeling that nobody will comment!
The good forged blade was one point which let me bid.
Have done some research in the meanwhile and found this two threads:
http://www.vikingsword.com/vb/showthread.php?t=1779
http://www.vikingsword.com/vb/showthread.php?t=3355
Not easy, because "boa" is to short for a search.
Hope for the age that my one have the same age as the shown examples.
Regards,
Detlef