Last night I was up late watching TV. I came across a documentary about the modern forging/replication of a famous Viking sword. The title is Secrets of the Viking Sword: Nova. There was a class of swords called Ulfberht that was much more advanced than any other swords being made in Europe at the time. There are only about 40 of these swords that have been discovered, with many of these being knockoffs. The documentary looks at the quality of the steel used , possible sources of the steel, and the name Ulfberht. Throughout the film shows a swordsmith making crucible steel and forging a replica(including inlaying the name Ulfberht on the blade). Anyway, for someone with little knowledge of black smithing I found the show fascinating.