The three pages feature the lyrics for the 1995 track and include notes suggesting the late rap legend was considering recruiting Ice Cube to record a guest verse.

Officials at memorabilia website MomentsInTime.com acquired the keepsakes from a private collector in Poland, according to TMZ.com.

It's the latest piece of Tupac history to go up for sale - last year (16), MomentsInTime bosses also listed a love letter penned by the Changes hitmaker for $35,000 (£28,300), while they are also selling the black BMW he was riding in with Death Row Records founder Suge Knight when he was shot and killed in 1996 in Las Vegas for $1.5 million (£1.2 million).