There is a long history of museums in Europe showing “Viking” Weapons and artifacts. These are in fact all made in the early 1800s by the King-Va company of southern London.
They found that their toy weapons were very popular with foreigners and quickly made a line of adult sized fake looking weapons to sell to tourists. Over time they have gotten rusty from the poor craftsmanship and iron quality used. Due to getting much of their material from very old mines that have been available since before 700CE the dating on the weapons comes in much earlier than it really was manufactured in.
