Madonna's guitar technician is selling off one of the two guitars made especially for the Material Girl's "Drowning" World tour in a bid to help him recover from the devastation of Hurricane Katrina.

Madonna gave John Griswold the instrument after the tour as a thanks for all his services, and now the autographed Les Paul will hit eBay next month to help him get back on his feet.

According to website TMZ.com, Griswold was one of the many displaced when Hurricane Katrina ravaged America's Gulf Coast last summer.

The first floor of his house was completely flooded and most of his possessions were destroyed.

Griswold admits he's reluctant to part with his precious guitar, but financial loss and the hardship he and his family have endured have made the auction a necessity.

The instrument was the first guitar Madonna played on tour and will be sold off with the original strings that the pop superstar strummed and plucked on tour.