axe (Złotoria) - metallographic analysis II Bronze Age
bracelet (Radziejów) - chemical analysis I Bronze Age
object fragment (Brześć Kujawski) - chemical analysis Neolithic
small awl (Stary Brześć) - chemical analysis Neolithic
bracelet (Kuźnice) - metallographic analysis III Bronze Age
bracelet (Osięciny) - chemical analysis I Bronze Age
bracelet (Mirosławice) - metallographic analysis Unetice culture
spiral band (Osięciny) - chemical analysis I Bronze Age
bracelet (Jaroszewo) - chemical analysis I Bronze Age
bead necklace (Brześć Kujawski) - chemical analysis Neolithic
axe (Skarbienice) - chemical analysis Unetice culture
bracelet (Żnin County) - chemical analysis Bronze Age
spiral band (Osięciny) - metallographic analysis I Bronze Age
spiral band (Skarbienice) - metallographic analysis Unetice culture
object fragment (Brześć Kujawski) - chemical analysis Neolithic
pin (Gopło Lake vicinity) - metallographic analysis II Bronze Age
spiral band (Osięciny) - metallographic analysis I Bronze Age
pin (Nowa Wolica) - chemical analysis II Bronze Age
object fragment (Brześć Kujawski) - chemical analysis Neolithic
bracelet (Miechowice) - chemical analysis II Bronze Age
axe (Pinino) - chemical analysis II-III Bronze Age
bracelet (Wawrzynki) - metallographic analysis II Bronze Age
armlet (Kuźnice) - chemical analysis III Bronze Age