Chocolate' flint : 3D documentation Upper Jurassic
armlet (Rosko) - metallographic analysis I Bronze Age
axe (Popowo Stare) - metallographic analysis I Bronze Age
Tabular chert of the Abensberg-Arnhofen type : 3D documentation Upper Jurassic
armlet (Szczepankowo) - metallographic analysis I Bronze Age
spiral bracelet (Szczepankowo) - chemical analysis I Bronze Age
armlet (Szczepankowo) - chemical analysis I Bronze Age
small ox with a yoke (Bytyń) - chemical analysis Neolithic
Speckled Senonian Flint : 3D documentation Maastrichtian