A rare Banksy artwork, hand-painted by the elusive street artist and owned by musician Mark Hoppus, heads to auction on Tuesday with a price estimate of up to $6.35 million.

Sales at Christie’s and Sotheby’s are down, but winter sales of Impressionist, Modern and Contemporary art has unearthed some ...

Critics largely rejected his work, but when it was last sold in 2004, “The Singing Butler” was the most valuable piece of art ...