Number crunching of related works suggests that this rare and biggest 21st century discovery might not be expensive

Leonardo da Vinci (1452-1519) was an Italian Renaissance polymath known as a scientist, mathematician, artist and inventor. ‘Salvator Mundi’, the long-lost Leonardo painting of Jesus Christ, commissioned by King Louis XII of France more than 500 years ago, was sold at Christie’s in New York on November 15, 2017, for $450.3 million, including auction house premium. The auction house would not revea...