First commemorative coin in U.S. history: The 1892 Columbian Exposition half-dollar, marking the 400th anniversary of Christopher Columbus’s discovery of the Americas.
The first U.S. cents were 100 percent copper, while today’s pennies are 95 percent zinc with a copper coating measuring only 1/2000th of an inch.
On April 13, 1976, the US Treasury department introduced the bicentennial two-dollar bill.
In 2015 the TSA collected $765,759.15 in loose change at airport security checkpoints across the country. They get to keep all of it.
Only 8% of currency is in physical form today. The rest exists electronically.
China gets a new billionaire every 5 days.
The world’s largest coin pyramid had about a million coins and was over a meter (yard) tall.
Americans throw away US$62 million worth of coins every year.