A rare Banksy artwork, hand-painted by the elusive street artist and owned by U.S. musician Mark Hoppus, heads to auction on Tuesday with a price estimate of up to $6.35 million. "Crude Oil (Vettriano)" is Banksy's re-imagining of the 1992 painting "The Singing Butler" by Scottish artist Jack Vettriano,

The pop-punk musician is auctioning off Bansky's 2005 painting "Crude Oil (Vettriano)" and plans to donate a portion of the proceeds to Los Angeles charities

A painting by street artist Banksy with an environmental message and an estimate of up to 5 million pounds ($6.3 million) is going up for auction, with some of the proceeds helping victims of the Los Angeles wildfires.

Crude Oil (Vettriano) is Banksy's reimagining of 1992 painting The Singing Butler by Scottish artist Jack Vettriano, who died on Monday A rare Banksy artwork, hand-painted by the elusive street artist and owned by American musician Mark Hoppus,