Landscape with figures and cattle. Original from the Minneapolis Institute of Art. https://www.rawpixel.com/image/7651843/image-vintage-art-public-domainFree Image from public domain licenseGold-inlaid Colt Model 1849 Pocket Revolver (serial no. 63306) https://www.rawpixel.com/image/12491030/gold-inlaid-colt-model-1849-pocket-revolver-serial-no-63306Free Image from public domain licenseFlorence Nightingale at Scutari. Mezzotint by S. Bellin, 1861, after J. Barrett, ca. 1855. https://www.rawpixel.com/image/14017585/image-dog-person-artFree Image from public domain licenseSir James Paget. Mezzotint by T. O. Barlow after J. E. Millais, 1872. https://www.rawpixel.com/image/13991430/sir-james-paget-mezzotint-barlow-after-millais-1872Free Image from public domain license