bracelet fragment (Żyrardów) - metallographic analysis II Bronze Age

axe (Kościan) - metallographic analysis Unetice culture

armlet (Kaźmierz) - metallographic analysis I Bronze Age

bracelet (Piotrowo) - metallographic analysis Neolithic

arrowhead (Galowice) - metallographic analysis III Bronze Age

funnel pendant (Jaworze Dolne) - metallographic analysis II Bronze Age

dagger (Świątkowo) - metalographical analysis I Bronze Age

axe (Wąsosz) - metallographic analysis I Bronze Age

axe (Rudy) - metallographic analysis III Bronze Age

armlet (Szczodrowo) - metallographic analysis I Bronze Age

axe (Ułanki) - metallographic analysis III Bronze Age

bracelet (Kaźmierz) - metallographic analysis I Bronze Age

awl (Brześć Kujawski) - metallographic analysis Neolithic

armlet (Łęki Małe) - metallographic analysis I Bronze Age

armlet with two spiral discs (Żyrardów) - metallographic analysis II Bronze Age

armlet (Szczepankowo) - metallographic analysis I Bronze Age

axe (Raszewo) - metallographic analysis III Bronze Age

armlet with two spiral discs (Żyrardów) - metallographic analysis II Bronze Age