Between the Fort Worth, Texas and the Washington, DC Facilities approximately 18 tons of ink per day are used to print currency. On the back of all U.S. bills, The eagle holds an olive branch, which symbolizes peace, with 13 berries and 13 leaves. In the left talon, the eagle holds 13 arrows, which represents war. The 13 leaves represent the original 13 American colonies. The eagle’s head is turned toward the olive branch, showing a desire for peace. Martha Washington is the only woman whose portrait has appeared on a U.S. currency note. It appeared on the face of the $1 Silver Certificate of 1886 and 1891, and the back of the $1 Silver Certificate of 1896. The inclusion of “In God We Trust” on all currency was required by law in 1955. The national motto first appeared on paper money in 1957...