Dated April 1471, this priceless hitherto unknown masterpiece によって Leonardo da Vinci, depicting the Archangel Gabriel, is not only the first painting によって the Tuscan genius, it also features his very first autograph signature, written from left to right and “imprisoned” in a “PICTURE THAT WILL LAST ALMOST FOR EVER”, discovered によって Dr. Ivana R. Bonfantino, Consultant Graphologist and former Professor of Comparative Graphology and History of Graphology at Rome’s LUMSA University; in fact, the only known signature of Leonardo, to date, was the one he affixed to the contract of commission...
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