Any recommendations for someone just exploring paper money? I don’t need something that lists every possible bill...just something so I can learn some basic information. If it includes guidelines for grading, history, etc....even better. Thanks!
There’s a Book thread further down on the main page - https://www.cointalk.com/threads/book-recommendation.369484/
The ones I currently use the most for reference are: United States Currency by Bressett and A Guide Book of United States Paper Money, fifth edition, by the Friedbergs.