Rare medieval wall paintings that had been hidden for almost 300 years have been uncovered by builders working in a roof space at the University of Cambridge. The artwork, which celebrated the royal patron of Christ’s College during the early 16th century, was discovered in the oldest part of the building during restoration work. The three crowned motifs, depicting a red Lancastrian rose, portcullis and a probable fleur-de-lis, were found in First Court, with the building dating back to the 15th century and the paintings likely dating back to the early 16th century. The college was first estab…