John Lennon's 1971 draft letter requesting Eric Clapton form a new supergroup with him is expected to fetch €100,000 and €150,000 at auction. The late Beatles legend penned in the eight-page note that he was keen to recruit the 79-year-old guitar hero for a new musical project alongside Klaus Voormann,

John Lennon's 1971 draft letter requesting Eric Clapton form a new supergroup with him is expected to fetch between 100,000 euros and 150,000 euros ($A162,618-$A243,928) at auction.

A handwritten letter that John Lennon wrote to Eric Clapton inviting him to be part of a new supergroup is to be offered at auction next month.

The eight-page draft letter features John Lennon urging Eric Clapton to join a new band he was putting together.