Shameless plug for mine and my wife's project, http://www.visualhaggard.org. We have extremely high quality scans of illustrations from many editions of H. Rider Haggard's work. Thanks for your time!
The site excellent but is serving a TLS-certificate from: * .herokuapp.com instead of * .visualhaggard.org, so everything is big red browser warnings and the search engines will punish you guys accordingly.
You know, we hadn't considered making prints but I've always wanted to merchandise. The goal was to make an academic resource and to collect and preserve the images in large resolutions.