Paris Being Admitted to the Bedchamber of Helen by Jacob de Backer https://www.rawpixel.com/image/14266498/paris-being-admitted-the-bedchamber-helen-jacob-backerFree Image from public domain licenseCupid Overpowering Pan (recto); Head of a Monk; Caricature of a Man in Profile (verso) by Agostino Carracci https://www.rawpixel.com/image/14247333/image-paper-cartoon-faceFree Image from public domain licenseTaddeo at the Entrance to Rome Greeted by Toil, Servitude, and Hardship, and by Obedience and Patience (the Ass and Ox) by… https://www.rawpixel.com/image/14258723/image-cartoon-face-personFree Image from public domain licenseStudies of male and female nudes, a satyr, and a camel (recto); Statue of Marcus Aurelius (verso) by Cherubino Alberti https://www.rawpixel.com/image/14262726/image-paper-cartoon-faceFree Image from public domain licenseYoung Woman Assisted by a Gentleman by Joachim Anthonisz Wtewael https://www.rawpixel.com/image/14245823/young-woman-assisted-gentleman-joachim-anthonisz-wtewaelFree Image from public domain licenseHoly Family with Saint John the Baptist Adored by an Unidentified Figure by Bartolomeo Cesi https://www.rawpixel.com/image/14258868/photo-image-face-frame-personFree Image from public domain licenseView from the Calistoga Hotel, Sonoma Co., Cal. (#1590) by Carleton Watkins https://www.rawpixel.com/image/14311303/view-from-the-calistoga-hotel-sonoma-co-cal-1590-carleton-watkinsFree Image from public domain license