These are the most valuable nickels, and they are worth a combined $15 million. Sold at auction: $88,125 Only 16,000 nickels were produced in 1880, and only 100 to 150 are known to still exist.

you’re most likely to find the most valuable nickels in older, pre-World War I mintages. But as American Bullion noted, you can also find some pricey versions minted during World War II (1942-45 ...

According to Luxe Digital, this is the most valuable U.S. nickel in existence. Only five examples are known to have been created and just three of these are in the hands of private collectors.