Look for a blue ribbon on the front of the 100 US dollar bill. Tilt the note back and forth while focusing on the blue ribbon. You will see the bells change to 100s as they move. When you tilt the note back and forth, the bells and 100s move side to side. If you tilt it side to side, they move up and down. The ribbon is woven into the paper, not printed on it.
SECURITY FEATURE 2
Look for an image of a color-shifting bell, inside a copper-colored inkwell, on the front of the new 100 US dollar bill. Tilt it to see the bell change from copper to green, an effect which makes the bell seem to appear and disappear within the inkwell.
SECURITY FEATURE 3
Tilt the note to see the numeral 100 in the lower right corner of the note shift from copper to green.
SECURITY FEATURE 4
Hold the note to light and look for a faint image of Benjamin Franklin in the blank space to the right of the portrait. The watermark is visible from either side of the note.
SECURITY FEATURE 5
Hold the note to light to see an embedded thread that runs vertically to the left of the portrait. The thread is imprinted with the letters USA and the numeral 100 in an alternating pattern and is visible along the thread from both sides of the note. The thread glows pink when illuminated by ultraviolet light.