Self-Portrait of Leonardo da Vinci, from "Original Designs of the Most Celibrated Mastesr of the Bolognese, Roman, Florentine, and Venetian Schools, in his Majesty's Collection"

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Self-Portrait of Leonardo da Vinci, from &quot;Original Designs of the Most Celibrated Mastesr of the Bolognese, Roman, Florentine, and Venetian Schools, in his Majesty&#039;s Collection&quot;