Relics of St. Adalbert's are in the silver baroque coffin.
The coffin is situated on six eagles. The whole monument is situated on four human shapes, who are symbolic of people of all classes: peasantry, bourgeois people, clergy and knighthood. The coffin was endowed by bishop Adalbert Pichlowicz in 1622 and it was made by artist from Gdańsk Peter van der Renen. Totality is close by open-work wooden a four-poster range on four columns.