sickle (Buczków) - chemical analysis Hallstatt period D
axe (Gryfino) - chemical analysis Bronze Age
axe (Izbica Kujawska) - chemical analysis I Bronze Age
plate (Brześć Kujawski) - chemical analysis Neolithic
pin (Włocławek vicinity) - chemical analysis III Bronze Age
bracelet (Dobra - Szczecin) - chemical analysis II-III Bronze Age
axe (Łuszczewo) - chemical analysis II-III Bronze Age
armlet (Międzyzdroje) - chemical analysis II Bronze Age
bracelet (Brześć Kujawski) - chemical analysis Neolithic
rings conected (Czarnowo) - chemical analysis Bronze Age
pin (Trzebnik) - chemical analysis III Bronze Age
rod (Gorszewice) - chemical analysis Hallstatt period
forma odlewnicza 2 części (Kiełpino) - analiza chemiczna Hallstatt period
bracelet (Dratów) - chemical analysis II Bronze Age
axe (Kłecko) - chemical analysis II Bronze Age