The Reg Kray Letter, spanning over 8 pages, is a piece of prison memorabilia that offers a unique insight into the world of crime and punishment. This collectable item written by the notorious Reg Kray, provides a window into the prison system and the experiences of those within it. It serves as a tangible connection to a bygone era of crime and incarceration, making it a valuable and intriguing piece for collectors interested in prison history and memorabilia.