New Treasurer of the United States - A suffix letter is added to the current series year (e.g. New Secretary of the Treasury - New series year (e.g. A new series will result from a change in the Secretary of the Treasury, the Treasurer of the United States, and/or a change to the note's appearance such as a new currency design.ĭesign Change - New series year (e.g. It is important to note that there is not a series for every calendar year. This number is presented as a the year portion of a date - as in 2004 - and sometimes has a letter suffix - as in 2004A. In the lower right quadrant between the portrait of George Washington and signature of the Secretary of the Treasury is the Series Date. With one run for each letter of the alphabet (26) and 32 bill per run, there are a total of 832 bills per serial number. The last letter of the serial number or suffix letter identifies the number of times that the Bureau of Engraving and Printing used the sequence of serial numbers A is the first time, B is the second time, C is the third time and so on. The letter which precedes the numbers must be the same number that you saw identifying the Federal Reserve Bank.

The serial number of a bill appears twice, once in the lower left hand quadrant and again in the upper right hand quadrant on the front of the bill. The following table is a handy reference for the bank codes: A corresponding Federal Reserve District Number code is found in four locations. The letter code is also found in the prefix of the serial number. On the one dollar bill, the bank can be quickly identified by a letter code in the Federal Reserve Seal to the left of the portrait of George Washington. There are twelve different Federal Reserve Banks responsible for printing paper money in the United States.

The Federal Reserve Seal and the Federal Reserve District Number.

Federal reserve serial number lookup