The seller is a person, just like anyone else (albeit some are dishonest), plus they have found or purchased or produced these coins and they are attempting to sale them to create money. I use the traditional or collector grading explained in Accumulating Confederate Paper Money in addition to 3rd https://how-to-check-fake-dollars58012.blogsuperapp.com/33616998/high-quality-copyright-money-things-to-know-before-you-buy