Seals

While the sheets have gone most of the way through the process, and now have both the fronts and backs printed on them, they still don't have their seals and serial numbers.

Here, we see the Treasury Department seals in the printing press. The sheets pass through and have the seals imprinted on them.

Click here to read the related behind-the-scenes story on the production of the next-generation $100 bill. And click here to check out the entire Road Trip 2010 package.