The sword and its accoutrements—a leather-and-wood sheath with beaver-fur lining—are in remarkable shape for such old pieces of history, and were buried in one of 12 graves found on the site.

Amateur detectorists found a cache of medieval weaponry near the village of Wielka Tymawa in Poland. They discovered a two-handed sword, or rather a hand-and-a-half sword, and two axe heads from ...