Coins usually survive in circulation for about 30 years.
66
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Bill Gates could give away 98% of his wealth and still be a billionaire.
20
The co-founder and CEO of SnapChat, 23-year-old Evan Spiegel, turned down an offer of $3 billion from Facebook and then a $4 billion bid from Google.
7
A couple that were out walking on their property in Sierra Nevada discovered a canister containing $10 million in gold coins.
20
In 75% of American households, women manage the money and pay the bills.
97