ring (Gródek) - chemical analysis Neolithic
earring (Jordanów Śląski) - chemical analysis I Bronze Age
ring (Gródek) - metallographic analysis Neolithic
pin with a croze grooved head (Pątnówek) - metallographic analysis II Bronze Age
pin with a croze grooved head (Pątnówek) - chemical analysis II Bronze Age
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 2D documentation Upper Jurassic