Today (February 18), Sotheby’s revealed Mark Hoppus’ rare Banksy piece is going up for auction. While the painting, Crude Oil (Vettriano), could earn upwards to $6 million. In a statement, Hoppus discussed the highly desired collectible.

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.

Expected to sell for up to $6.3 million, Hoppus says proceeds of the sale will go towards charities aiding those affected by the Los Angeles wildfires.