axe (Bytyń) - metallographic analysis Neolithic
armlet (Marzkowo) - metallographic analysis II Bronze Age
armlet with symetrical discs (Odolanów) - metallographic analysis II Bronze Age
sword (Chociwel) - metallographic analysis Bronze Age
spiral (Żerniki Górne) - metallographic analysis II Bronze Age
band scroll fragment (Kondratowice) - metallographic analysis II Bronze Age
sword fragment (Podjuchy-Szczecin) - metallographic analysis II-III Bronze Age
axe (up) - metallographic analysis Bronze Age
axe (from the river Odra) - metallographic analysis Bronze Age
axe fragment (Brześć Kujawski) - metallographic analysis Neolithic