After long going unrecognized and almost being sold for a steal, a painting now confirmed to be a long-lost Caravaggio has gone on public display for the first time in Madrid. Caravaggio’s “Ecce Homo” is one of around just 60 known works by the Italian Baroque artist and had been presumed lost before now becoming one of the most sensational rediscoveries of art history and going on display in Madrid’s Prado Museum on Tuesday. Depicting two men presenting an exhausted-looking Jesus Christ, bleeding from a crown of thorns, the painting – now valued in the tens of millions – reappeared at an auct…