31. Silver certificate, 1928 $ 2 United States Note, 1928 $ 5, $ 10, and $ 20 Federal Reserve Notes . 32. In Series 1950, the general design of all Federal Reserve Notes was changed slightly, and a smaller seal was used. 33. He also argued that his income was not taxable because Federal Reserve notes were bogus and counterfeit under the Constitution. 34. The Treasury said it will update Federal Reserve notes every 7 to 10 years to keep up with counterfeiting technology. 35. Silver certificates continued to be issued until late 1963, when the $ 1 Federal Reserve Note was released into circulation. 36. Q : I have a $ 1 bill that says " silver certificate, " not " Federal Reserve note ." 37. Q : Q & A mentioned recently that a $ 10, 000 Federal Reserve note is the largest bill in circulation. 38. In 1963, the words " PAYABLE TO THE BEARER ON DEMAND " were removed from all newly issued Federal Reserve notes . 39. The seeming rarity of a $ 2 bill can be attributed to its low printing numbers as a Federal Reserve Note . 40. And as a bit of trivia, it is not a $ 100 bill, it is a $ 100 Federal Reserve note .