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.
2. In 2010, how many U.S. currency bills were delivered by the Bureau of Engraving and Printing?
6,400,000,000 or 6.4 billion! This is about 1 bill for every person on the earth.
3. What was the average cost of producing these bills in 2010?
It cost 9.6 cents per note (or less than a dime each).
4. How much ink was used per day to print bills at the Fort Worth, Texas and Washington D.C. facilities?
It took 9 tons of ink or 18,000 pounds. This is approximately the weight of 6 average sized cars!
Source: U.S. Treasury, Bureau of Engraving and Printing