Federal Reserve Notes - $1 to $10,000, issued from Series 1914 to the present day.Confederate issues - Issued during the Civil War, which spanned from 1861 through 1865.Gold Certificates - $10 to $10,000, issued from 1863 through 1933.Silver Certificates - $1 to $1,000, issued from 1878 through 1964.Then, there are the various categories of U.S. Small-size paper currency (issued since Series 1928) - Modern-sized paper money measures 6.14″ wide by 2.61″ and is about 25% smaller than their large-size predecessors.Large-size paper currency (issued before 1929) - These old bills measure 7.42″ by 3.125″ and are commonly dubbed “horseblankets” and “greenbacks.”.Here’s a rundown on the 2 major types of U.S. currency and what collectors look for on their banknotes. Knowing what your dollar bills and other paper currency are worth requires a basic working knowledge of the different types of U.S.