Royal Mail is a British public company, often referred to as "Royal Mail", founded in 1660 and headquartered in London, England. Royal Mail created the stamp system, issued the world's first stamp "black penny", and started telegraph business in 1870. Currently, Royal Mail's main business includes mail, parcels and retailing of books and newspapers. Royal Mail (official website: www.royalmail.com), a subsidiary of Royal Mail Group, can provide mail inquiry and other services.