bracelet (Dratów) - metallographic analysis II Bronze Age
axe (Rudy) - metallographic analysis III Bronze Age
armlet with two spiral discs (Dratów) - metallographic analysis II Bronze Age
dagger blade (Wyciąże) - metallographic analysis Neolithic
pin (Łuszczewo) - metallographic analysis II Bronze Age
armlet with two spiral discs (Stawiszyce) - metallographic analysis II Bronze Age
bracelet (Osięciny) - metallographic analysis I Bronze Age
bracelet (Dratów) - metallographic analysis II Bronze Age
axe (Antoniny) - metallographic analysis luźne
bracelet (Pierwoszewo) - metallographic analyses I Bronze Age
dagger (Granowo) - metallographic analysis Unetice culture
bracelet (Piotrkowice) - metallographic analysis I Bronze Age
flat axe (Skrońsko) - metallographic analysis Eneolithic
pin (Nowa Wolica) - metallographic analysis II Bronze Age
dagger-shaped scepter (Inowrocław) - metallographic analysis I Bronze Age
axe (Słupca) - metallographic analysis II Bronze Age
bracelet (Żyrardów) - metallographic analysis II Bronze Age
band spiral (Samborzec) - metallographic analysis Neolithic
armlet with two spiral discs (Rawa Mazowiecka) - metallographic analysis II Bronze Age