Coins usually survive in circulation for about 30 years.
66
It is impossible to hum if your nose is plugged.
366
The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
10
The French named one of their aircraft carriers after Ferdinand Foch, a man who once said "Airplanes are interesting toys but of no military value".
10
The most expensive license plate is the number '1', bought by an Abu Dhabi businessman - costing a staggering $14.3 million!
3
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
A million dollars' worth of $100 bills weighs only 22 pounds!
32
An ounce of platinum can be stretched 10,000 feet.
40