Peter Alan Rayner (1924 – 29 July 2007) was a British author of numismatic (coin collecting) books. He was known by his second name Alan, rather than his first to avoid confusion with Peter Seaby, also a popular author, whose family firm Rayner joined at the age of 24.Rayner lived in Harpenden, Hertfordshire where he attended St George's School, Harpenden as a day boarder.