In 2017 the Salvator Mundi was sold at auction for $450m. But is it a real da Vinci? In a thrilling narrative built on formidable research, Ben Lewis tracks the extraordinary journey of a masterpiece lost and found, lied and fought over across the centuries.In 2017, Leonardo da Vinci’s small oil painting, the Salvator Mundi was sold at auction for $450m. In the words of its discoverer, the image of Christ as saviour of the world is ‘the rarest thing on the planet by the greatest human being who...