Maurizio Seracini is an Italian engineer leading the hunt for the "Battle of Anghiari," an unfinished mural by Leonardo. Seracini announced the first results of technological sleuthing on Monday, saying an analysis shows the red, black and beige paint found are consistent with organic paint Leonardo used for his frescoes.
The suspected fresco is concealed behind a more recent wall, so researchers had to take samples for lab analysis.
Seracini called the results "encouraging" but preliminary.
