A silver dollar insured for $10 million and nickels worth as much as $3 million each are among the $1 billion in coins on display at the American Numismatic Association’s World’s Fair of Money.

Coin collecting experts say they have identified a 210-year-old silver dollar that is likely the first one coined by the United States Mint.

Currency experts say they have identified a 210-year-old silver dollar that could be the first one coined by the United States Mint.