On the modern series bills, the microprinting are available on Franklin's collar, The underside of Franklin's portrait, also to the right of the brown quill. Microprinting was 1st extra for the $100 bill in 1990. Also, a watermark of Jackson will also be found from each side in the light. https://salmon-fillet-for-sale-ne76621.myparisblog.com/33952991/not-known-facts-about-copyright-1-dollar-billsus-code-copyright-money