Check out this PBS Nova episode: http://www.pbs.org/wgbh/nova/ancient/secrets-viking-sword.html http://www.pbs.org/wgbh/nova/ancient/secrets-viking-sword.ht...

Check out this PBS Nova episode: http://www.pbs.org/wgbh/nova/ancient/secrets-viking-sword.html http://www.pbs.org/wgbh/nova/ancient/secrets-viking-sword.ht... though the sword mentioned in the article is "pre-Viking-era".