The seller is someone, similar to anyone else (albeit some are dishonest), and so they have found or procured or created these coins and they are aiming to sale them to produce money. If you have a bill you suspect is copyright, Get hold of the local law enforcement station https://andersonzmxcj.blogitright.com/33443000/not-known-facts-about-copyright-1-dollar-billsus-code-copyright-money