Mauricio Seracini thinks Vasari left a clue (pictured) by depicting a soldier who waves a green flag with the words 'Cerca Trova' (seek and you will find). Italian art expert Mauricio Seracini says he is on the verge of discovering a long-lost Leonardo da Vinci masterpiece, 'The Battle of Anghiari' hidden in a secret cavity behind a palace wall in Florence, Italy on October 30, 2009. Photo by Eric Vandeville/ABACAPRESS.COM