Maastricht, the Netherlands, Basilica of Saint Servatius. Detail of the old church bell "Grameer" ("grandmother"), dating from 1515, in function till 1850, removed from the west tower in the 1980s, now in the courtyard of the cloisters. The so-called Key of Saint-Servatius depicted on the bell was the symbol of the powerful chapter of Saint-Servatius, that was connected to this church until 1797.