During World War II, pennies were typically made of steel to conserve copper for the war effort. However, a small number of copper pennies were mistakenly minted in 1943, making them extremely rare and valuable.
This coin exhibits noticeable doubling on the obverse side, particularly on the date and lettering. Only a few thousand examples are known to exist, making it highly sought after by collectors.
Similar to the 1955 Doubled Die Penny, this coin features noticeable doubling on the obverse side. It's exceptionally rare and can fetch high prices at auction.
In 1970, two varieties of Lincoln cents were minted: the large date and the small date. The small date variety is scarcer and more valuable, especially in uncirculated condition.
Some Wisconsin State Quarters from 2004 were minted with an additional leaf on the ear of corn on the reverse side. These error coins are rare and can be worth hundreds or even thousands of dollars.
In 2005, a small number of Buffalo Nickels were minted with a die gouge resembling a spear running through the bison's back. These error coins are highly sought after by collectors.
A small number of Presidential Dollars minted in 2007 were missing the motto "In God We Trust" on the edge of the coin. These error coins are rare and can command significant premiums.
Some Arizona State Quarters from 2008 were minted with an extra saguaro cactus on the reverse side. These error coins are scarce and can be worth hundreds of dollars.