Try to look for the safety thread. A $100 bill printed after 1990 must have a security thread over the remaining-hand facet which is only seen whenever you maintain the bill up to the light. Look at the serial numbers. The serial variety need to correspond into the series. The https://get-social-now.com/story2273339/considerations-to-know-about-how-to-tell-if-bills-are-counterfeit