JÖNKÖPINGS LÄNS MUSEUMThe 1,500-year-old sword in Vidöstern Lake. An eight-year-old girl stumbled upon a 1,500-year-old sword while out swimming in Vidöstern lake near her family’s summer home.

This highly decorative sword features a jewelled handle with a pair of sea serpent heads. The weapon was presented by Sweden to James Saumarez, then a Rear Admiral in the Royal Navy, for saving ...