National Bank Note Guide To US National Currency - 1862 to 1935

The image below shows a Series 1902 national bank note.
Nationals have many elements and it's not immediately clear what they all mean.
This is my attempt to explain the elements of national currency.
There are different forms of national note but once you know the elements in one, you know them all.
Hover over any element that you want to know about and read the description.
If you have a national bank note and want to know more about it, click here.