The Ephemera department at Wimbledon Auctions features unique historical documents and memorabilia. Highlights include:

• A rare 19th-century visitor’s book featuring an extraordinary monologue by geologist Gideon Algernon Mantell, sold for £2,000.

• A large collection of 19th-century letters addressed to John Augustus Tulk, son of politician Charles Augustus Tulk, sold for £1,000.

• An Ethiopian Bible signed by Emperor Haile Selassie, sold for £600.