A shipping truck painted by Banksy is expected to sell for over $1 million at Bonhams.

Amid Aston Martins and Bugattis at Bonhams’s forthcoming car auction, sits a 1988 Volvo FL6, a 17-ton shipping truck. The truck, an early artwork by Banksy dating back to 2000, is estimated to sell between £1 million and £1.5 million ($1.3 million to $2 million).....