A rare piece of Beatles' history is hitting the auction block ... a Grammy given to John Lennon is expected to bring in a fortune -- so, something tells us if you wanna come together with this trophy, ya better be a multimillionaire. Gotta Have Rock and Roll, the music memorabilia-based auction house, has a unique Grammy Trustee award given to John as one of its many new lots, and this golden trophy is estimated to make up to $500,000 when it closes next week. John, Ringo Starr, George Harrison, and Paul McCartney were each given one of the pieces of golden glory in 1972 ... and the one up for auction initially went to John. The Trustee Award is given to those who made significant contributions to the field of recording during their careers as musicians. Source: TMZ Staff