"Forty-niner" Street Advertiser in Studio, San Francisco (1890). Original public domain image from Smithsonian. Digitally… https://www.rawpixel.com/image/9700624/photo-image-art-vintage-illustrationFree Image from public domain licenseMonkey Trade Sign (1930-1950). Original public domain image from The Smithsonian Institution. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/10103586/photo-image-vintage-cartoon-lightFree Image from public domain licenseBust of the Reverend George Whitfield: with ruddy cheeks, prominent mole, black robes and clerical collar (1770) created by… https://www.rawpixel.com/image/10103399/photo-image-face-person-artFree Image from public domain license