dagger (Granowo) - chemical analysis Unetice culture
szpila (Kaszyce Milickie) - chemical analysis V Bronze Age
armlet with symetrical discs (Kościelna Wieś) - chemical analysis II-III Bronze Age
axe (Łobez) - chemical analysis II Bronze Age
sickle (Lipce) - chemical analysis Bronze Age
pickaxe (Stefkowa) - chemical analysis II Bronze Age