"Letter from Pac, but you should have seen mine," he tweeted, posting an accompanying photo of the entire letter. Part of one edge is cut off, but the majority of the message, written in September 1995, Rolling Stone reports, from prison in New York.

In the letter, Tupac lathers the Public Enemy rapper with praise. "I'm sure u know how highly respected and loved u r by me so your letter definitely warmed my heart," he wrote, referencing the letter Chuck D wrote that has not yet seen the light of day.