D B Cooper's Loot Serial Number Searcher Found an old $20 bill, and want to easily check to see if it was part of the loot from the most storied skyjacking in American history? Then look no further! For years, you had to find a copy of the FBI's list of the stolen serial numbers - no easy task! Then, you had to peruse the dozens of small-font pages to see if your suspect bill was listed. Using the guide below, enter the serial number from the $20 bill (on either half of the bill), and the Series year (located on the lower right corner of Andrew Jackson's portrait) - like the areas highlighted in yellow in the picture below. Then, press "Check My Bill". Our engine will take the information you supply, and comb our database of the nearly 10,000 serial number of the hijacker's ill-gotten gains. If you got a bill with one of the serial numbers, the program will tell you. It is that easy! Please note that, when entering a bill that, there can be no spaces between the letters or numbers, and any letters MUST be in all capital letters. Quick statistics on D B Cooper's loot: Most of the serial numbers of $20 bills started with an 'L' (nearly 87%), which means it originated with the San Francisco Federal Reserve branch

Most were from either the 1963A or 1969 series.

Nearly all of the serial numbers ended with an A, B, or a star. Questions? Comments? Find some of his loot?! We want to hear from you! Click here to e-mail us!