bead (Brześć Kujawski) - chemical analysis Neolithic
object fragment (Brześć Kujawski) - chemical analysis Neolithic
object fragment (Brześć Kujawski) - chemical analysis Neolithic
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 (Łuszczewo) - chemical analysis II-III Bronze Age
bracelet (Brześć Kujawski) - chemical analysis Neolithic
rings conected (Czarnowo) - chemical analysis Bronze Age
pin (Trzebnik) - chemical analysis III Bronze Age