To be presented at the exhibition is a richly decorated, 83 cm high Adelheid cross, one of the encrusted precious and gemma stones and that survived. The cross relics it contains was donated by the Hungarian Queen Adelheid, the wife of St. László in the second half of the 11th century, to the Benedictine abbey situated south in St. Blasien, in Germany This especially important cross relating to Hungary has never been shown to the audience in Hungary.