Leonardo da Vinci's "Salvator Mundi" has become the most expensive artwork to ever sell at auction, going for $450.3 million at Christie's in New York. Dating back to around 1500, the rare The image of Christ as The Saviour of the World was billed as The Last da Vinci at Christie's 2017 auction, where it sold for a record $450 million (£342 million) to a proxy for bin Salman 07fBKUv.