From Johnny Winter's personal collection of posters, this 17" x 11" poster promotes a film titled "3 Days in the Life," the Unfinished Documentary featuring John Lennon. Film by Tony Cox. Lennon and Winter had previously met when Winter recorded a cover of Lennon's "Rock and Roll People" for his album John Dawson Winter III, released in 1974, which was the first commercial release of the Lennon song.