necklace (Buczków) - chemical analysis Hallstatt period D
pin (Kisielsk) - chemical analysis Hallstatt period
pin (Opatowice) - chemical analysis I Bronze Age
earring (Mierzanowice) - chemical analysis I Bronze Age
pin (Kisielsk) - metallographic analysis Hallstatt period
earring (Mierzanowice) - metallographic analysis I Bronze Age