Photographic postcard with photos of Jack Johnson and James J. Jeffries, National Museum of African American History and… https://www.rawpixel.com/image/8848684/photo-image-art-vintage-public-domainFree Image from public domain licenseBoxing, from the Games and Sports series (N165) for Old Judge Cigarettes, issued by Goodwin & Company https://www.rawpixel.com/image/9183046/image-art-vintage-cigarettesFree Image from public domain license