Some libraries are taking their designs up a notch for special runs of library cards. The reasons behind these cards vary. They are used to celebrate their communities, bring attention to such things as most checked out book, honor special dates, or any number of other reasons. To find out more about limited edition library cards please visit this site: https://www.libraryjournal.com/story/get-em-while-theyre-hot-limited-edition-library-cards.
If you do an image search on Google there are even more cards to find out there.