This museum displays a fine collection of liturgical objects, including a crown-reliquary in a case adorned with enamel discs (c 1210), a 12C portable altar decorated with ivory plaques, an arm-reliquary of St Adrian (c 1238), a 13C silver-gilt statue of St Blaise, a Mosan figure of the Virgin Mary (c 1220), a splendid "Kiss of Peace" in enamelled and gilded silver, notably depicting a crucifixion scene (early 14C), as well as gold and silverware and sculptures.