A faint and lesser Model of Jackson's portrait (as observed about the encounter with the Monthly bill) is "hidden" within the paper by itself to be a watermark. If you maintain the Invoice as much as a light, the watermark is straight away obvious from either facet with the Invoice. https://dominickswxvu.articlesblogger.com/53166755/how-buy-undetectable-banknotes-can-save-you-time-stress-and-money