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Keywords from Image Description:
Gregorsmesse Bern um . Altartafeln mit Gregorsmesse Auenseite Gregorsmesse Tempera wood object history Oberwallis Schweizerisches Nationalmuseum Zrich landesmuseen ch Bern Meister der Gregorsmesse thumb none Innenseite mit Heiligen PDold Paintings in Landesmuseum Zrich paintings Mass of Saint Gregory paintings in Switzerland