When you’re during the U.S., all real bills could 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 light. I encourage any may be collector to check out our Trade Dollar detection guide https://monetizationaccountforwit04715.mybloglicious.com/54542310/the-definitive-guide-to-fake-us-trade-dollars