Federal Reserve Note,
$100, 1996

1. Security Thread - A polymer thread is embedded vertically in the paper and indicates, by its unique position, the note's denomination. The words "USA 100" on the thread can be seen from both sides of the note when held up to a bright light. Additionally, the thread glows red when held under an ultraviolet light.

2. Concentric Fine Lines - The fine lines printed behind both Benjamin Franklin's portrait and Independence Hall are difficult to replicate.

3. Portrait - The enlarged portrait of Benjamin Franklin is easier to recognize, while the added detail is harder to duplicate. The portrait is now off-center, providing room for a watermark and reducing wear and tear on the portrait.

4. Watermark - A watermark depicting Benjamin Franklin is visible from both sides when held up to a light.

5. Color-Shifting Ink - The number in the lower right corner of the front of the note looks green when viewed straight on, but appears black when viewed at an angle.

6. Check Letters, Plate, and Quadrant Numbers - These markings are used as cross-references for checking authenticity.

7. Microprinting - Because they're so small, microprinted words are hard to replicate. On the front of the note, "USA 100" is within the number in the lower left corner and "United States of America" is on Benjamin Franklin's coat.

8. Federal Reserve Indicators - A new universal seal represents the entire Federal Reserve System. A letter and number beneath the left serial number identifies the issuing Federal Reserve Bank.

9. Serial Numbers - An additional letter is added to the serial number. The unique combination of eleven numbers appears twice on the front of the note.