Oh! It146;s a Da Vinci

8216;8216;A year ago, I published a catalogue of drawings from my collection, and to do this, I asked for help from experts. For the Leonardo-style drawings, I consulted Professor Luisa Cogliati Arano, who is an authority. On this drawing, she said she was puzzled and advised me to have it examined scientifically.8217;8217;

An infra-red examination showed another drawing underneath the photographic image. 8216;8216;The examination confirmed that it was indeed by Da Vinci and revealed later additions, common on old drawings. Collectors used to touch up features which they thought didn8217;t show up enough or even completed details,8217;8217; Cogliati told the paper.