Professor Snape was one of the most iconic characters in Harry Potter’s franchise, and yet the viewers always had a love and hate relationship with him. Alan Rickman’s letters have revealed that actor was frustrated with Severus Snape. The collection of letters, diary entries, and annotated scripts has been put up at an auction by UK collector Neil Pearson Rare Books. The letters and papers describe Rickman’s 40-years of the career as an actor.

In a note written by the actor during 2009’s Harry Potter and Half-Blood Prince, he claims that he was disappointed by the lack of attention given to his character.

In one letter, director David Heyman wrote to him, “Thank you for making HP2 (Harry Potter and the Chamber of Secrets) a success. I know, at times, you are frustrated, but please know that you are an integral part of the films. And you are brilliant.”

Rickman being disappointed with his character wrote in a note titled Inside Snape’s Head, “It’s as if David Yates (director) has decided that this is not important in the scheme of things, i.e. teen audience appeal.”

The archives that have been put up on auction, valued at £950,000 also includes letters from Prince Charles, Bill Clinton, Tony Blair and Harry Potter author JK Rowling.

Rowling has thanked Rickman for doing justice to her most complex character. The archive also comprises of heartwarming letters from actor Kate Winslet who featured with him in A Little Chaos as well as from Nicole Kidman who found his performance outstanding in the film Private Lives.

Rickman’s archive has a copy of his first film’s script, 1988’s Die Hard in which he played the role of a terrorist.

The actor died in the year 2016 at the age of 69 due to pancreatic cancer.