spiral disc (Przysiecz) - chemical analysis Neolithic
sickle (Droszków) - chemical analysis III-V Bronze Age
spiral bracelet (Pilszcz) - chemical analysis I Bronze Age
pin (Kietrz) - chemical analysis II Bronze Age
necklace (Pilszcz) - chemical analysis I Bronze Age
pendant (Mikowice) - chemical analysis II Bronze Age
flat axe (Dąbrówka Dolna) - chemical analysis Eneolithic