earred pin (Jerzmanice Zdrój) - chemical analysis II Bronze Age
winged axe (Bruszczewo) - chemical analysi I Bronze Age
spiral (Stawiszyce) - chemical analysis II Bronze Age
open bracelet (Stawiszyce) - chemical analysis II Bronze Age
small ox with a yoke (Bytyń) - chemical analysis Neolithic
pin with a croze grooved head (Wrocław-Księże Wielkie) - chemical analysis III Bronze Age
armlet (Łęki Małe) - chemical analysis I Bronze Age
axe (Bielin) - chemical analysis III Bronze Age
sickle (Buczków) - chemical analysis Hallstatt period D
naszyjnik (Gorszewice) - analiza chemiczna 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