The notes were made by a Florentine city official Agostino Vespucci, an acquaintance of the artist, in a collection of letters by the Roman orator Cicero.

• 留下这个记录的是佛罗伦萨市的一个高级官员Agostino Vespucci，罗马雄辩家Cicero在他收藏的信件中有证明，他和达芬奇是相识的故人。