On the modern sequence bills, the microprinting can be found on Franklin's collar, the bottom of Franklin's portrait, also to the ideal of the brown quill. Microprinting was to start with additional towards the $100 bill in 1990. I use the normal or collector grading described in Collecting Confederate Paper https://how-to-check-fake-dollars66910.bloggerchest.com/32988467/5-simple-techniques-for-fake-dollar-bills-for-sale