A handwritten letter penned by Princess Diana nearly three decades ago is drawing fresh attention ahead of an upcoming auction. Written just days after her landmark BBC Panorama interview in November 1995, the note offers a rare glimpse into Diana's state of mind during one of the most turbulent periods of her life.

A handwritten letter penned by Princess Diana nearly three decades ago is drawing fresh attention ahead of an upcoming auction. Written just days after her landmark BBC Panorama…

The letter penned by the late Princess Diana revealed her hope for Prince William and Prince Harry to teach a "deeper" level of communication between the brothers