armlet with two spiral discs (Żyrardów) - metallographic analysis II Bronze Age
axe (Izbica Kujawska) - metallographic analysis I Bronze Age
bead (Brześć Kujawski) - chemical analysis Neolithic
object fragment (Brześć Kujawski) - chemical analysis Neolithic
object fragment (Brześć Kujawski) - chemical analysis Neolithic
axe (Izbica Kujawska) - chemical analysis I Bronze Age
plate (Brześć Kujawski) - chemical analysis Neolithic
axe (Jelenia Góra) - metallographic analysis III Bronze Age
pin (Włocławek vicinity) - chemical analysis III Bronze Age
bracelet (Dobra - Szczecin) - chemical analysis II-III Bronze Age
axe (Przysieka) - metallographic analysis Unetice culture
axe (Łuszczewo) - chemical analysis II-III Bronze Age