An Egyptian mummy and a lock of Mary Queen of Scots' hair are two of the artefacts to go on display at a Lancashire college. The collection will be showcased at Stonyhurst College, a 16th Century former manor house near Clitheroe. Other items include a 17th Century Persian astronomical calendar, a hat belonging to St Thomas More and Arthur Conan Doyle's school desk. They will be on display from 4 August over the summer months. The Egyptian mummy is the preserved body of a young boy aged about five or six years at death and is about 2,500 years old. It was discovered in the 1850s by a Jesuit missionary and archaeologist with a strong scientific interest in Egyptology and brought back to Stonyhurst. During the tour of the college, visitors will see the desk on which Sir Arthur Conan Doyle carved his name, the table on which Oliver Cromwell slept before the Battle of Preston and Jacobite pistols. Katherine Walker, marketing director at Stonyhurst, said: "It will be a rare opportunity to see artefacts that are both sacred and secular. "Stonyhurst is a Grade I listed building and renowned for its magnificent towers and gardens. [...]