Fun Facts
Money Facts 
1.)  Coins have been made in the US since the late 1700's. This is a list of all the coins: 1/2 cent, 1 cent, two cent, 3 cent, 5 cent, half dime, 20 cent, 25 cent, 50 cent, 1 dollar.  The following gold coins were also made: $1.00, $2.50, $5.00, $10 and $20.00.  Presently only 1 cent, 5 cent, 10 cent, 25 cent, 50 cent and 1 dollar coins are made.
2.)  US government regular issue paper money has been around since 1962.  This is a list of all paper money printed: $.03, $.05, $.10, $.15, $25, $.50, $1, $2, $5, $10, $50, $100, $500, $1000, $5000 and $10,000.  There was a $100,000 bill, but is wasn't for public use.
3.)  Paper money less than one dollar is called fractional currency.  Fractional currency was issued during the Civil War because of the shortage of coins.
4)  The twenty cent coin was only arround for the short time from 1875 to 1878 because people were confused over the coin's similarity to the quater dollar.
5.)  Coins are stamped (minted) at a rate of 750 per minute.  Each coin being made one at a time.  Paper money, on the other hand, is printed on large sheets 32 at a time (same denomination on each sheet).  One hundred sheets are printed, the ink is allowed to dry, the sheets are stacked and are then cut into individual bills.
6.)  The paper used in paper money is 75% cotton and 25% linen.  The paper used for writing paper, books, copy paper etc. is made from wood.
7.)  It takes about 4000 folds (forward and backward) before a bill will tear.
8.)  The life span of a $1.00 bill is about 22 months.  $100 bills about 60 months.
9.) A stack of bills on mile high contains about than 14.5 million bills.
10.)  If you had 10 billion  $1 bills and spent one every second of every hour of every day, it would take 317 years for you to go broke.
11.)  It would take 257,588,120 dollar bills, laid end, to end to circle the earth.
12.)  The only US coins to use Roman Numerals were the 1883 nickel, the three cent coin and the 1907 twenty dollar gold coin.  All other coins use Indian Arabic numerals.
13.)  One million dollars in $1 bills would weigh 2,040.8 pounds.
14.)  Almost half, 48 percent, of the notes printed by the US are $1 notes.
15.)  Our present paper money measures 2.61 inches wide by 6.14 inches long, and the thickness is 0.0043 inches. Larger sized notes in circulation before 1929 measured 3.125 inches by 7.4218 inches.
16.)  Martha Washington is the only woman whose portrait has appeared on the front of  U.S. bills. It appeared on the face of the $1 Silver Certificate of 1886
17.)  A mile of pennies laid out is $844.80. America is about $2.5 million wide, coast to coast.
18.)  Between the Fort Worth, Texas and the Washington, DC (where paper money is printed in the US) approximately 18 tons of ink per day are used.
19.)  A quarter has 119 grooves around the edge, and a dime has 118.  The half dollar has 150.