For those who’re inside the U.S., all real bills should have a watermark of the person whose portrait is within the bill. They’ll also have a safety thread embedded during the paper that glows under ultraviolet gentle. Some trade dollar fakes have an used rim- they struck the coin 'disc' https://orderlivekingcrabonlineca12508.kylieblog.com/35959210/detailed-notes-on-us-dollars-gov-copyright