Only five examples of the 1913 Liberty Head Nickel are known to exist, making it one of the rarest and most valuable coins in the world. One of these coins was discovered in an unexpected place – in the collection of a North Carolina man who inherited it from his father.
The 1933 Double Eagle is another extremely rare and valuable coin. Only a few were supposed to have been minted, and they were never officially released to the public due to the Gold Reserve Act of 1933.
In 2014, a metal detector enthusiast discovered a rare 17th-century coin known as the New England Shilling in a potato field in Massachusetts. This coin, minted in 1652, is one of the oldest coins ever found in the United States and is valued at thousands of dollars.
During World War II, the United States Mint accidentally struck a few copper pennies instead of the zinc-coated steel pennies that were intended for circulation due to the shortage of copper.
In 2013, a rare 1794 Flowing Hair Dollar, one of the first silver dollars ever minted by the United States, was discovered in a box of assorted items that belonged to a deceased woman in Ohio.