Giorgio Vasari, Lives of the Most Excellent Painters… (1850)
“ While Maestro Credi, a goldsmith of Florence, who was very eminent in his day, was labouring in his native city with much reputation and a good name, a certain Andrea Sciarpelloni, who had a son named Lorenzo, a youth of admirable genius and excellent dispositions, determined to place the latter with him, to the intent that he might learn the art of the goldsmith. ”
