dagger (Słaboszewo) - metallographic analysis I Bronze Age
bead (Brześć Kujawski) - chemical analysis Neolithic
axe (Drewno) - metallographic analysis Unetice culture
armlet made of spiral band (Skarbienice) - metallographic analysis Unetice culture
armlet with symetrical doscs (Kościelna Wieś) - metallographic analysis II-III Bronze Age
bracelet (Osięciny) - chemical analysis I Bronze Age
ingot fragment (Brześć Kujawski) - chemical analysis Neolithic
pin (Szarlej) - chemical analysis II Bronze Age
pin (Łuszczewo) - chemical analysis II Bronze Age
armlet (Osięciny) - chemical analysis I epoka brązu
spiral band (Skarbienice) - chemical analysis Unetice culture
dagger (Dobrcz) - chemical analysis I Bronze Age
pin (Wójcin) - chemical analysis II Bronze Age
spiral bracelet (Kuźnice) - chemical analysis III Bronze Age
bracelet (Miechowice) - metallographic analysis II Bronze Age
trapezoidal plate (Inowrocław) - chemical analysis Neolithic
bracelet (Osięciny) - metallographic analysis I Bronze Age
object fragment (Brześć Kujawski) - chemical analysis Neolithic
pin with an ornamented pinhead (Sobiejuchy) - chemical analysis II epoka brązu
armlet (Kuźnice) - chemical analysis III Bronze Age
bead (Brześć Kujawski) - chemical analysis Neolithic