Project for a Wall Decoration by Perino del Vaga Piero Buonaccorsi https://www.rawpixel.com/image/14247136/project-for-wall-decoration-perino-del-vaga-piero-buonaccorsiFree Image from public domain licenseStudy of Figures Behind a Balustrade (recto); Study of Figures Behind a Balustrade (verso) by Andrea del Sarto https://www.rawpixel.com/image/14246691/image-paper-border-faceFree Image from public domain license