Regulus Black's letter to Lord Voldemort

This letter was written by Regulus Black to the Dark Lord Voldemort, shortly before the formers death in 1979.

Contents
To the Dark Lord - I know I will be dead long before you read this, but I want you to know that it was I who discovered your secret. I have stolen the real Horcrux and intend to destroy it as soon as I can. I face death in the hope that when you meet your match, you will be mortal once more. - R.A.B.

Apperences
Harry Potter and the Half-Blood Prince Harry Potter and the Half-Blood Prince (film) Harry Potter and the Deathly Hallows