The obverse of the 1969-S Lincoln Cent has a doubled die mistake, doubling the motto “IN GOD WE TRUST” and the date.
These Roosevelt Dimes are rare because the Philadelphia Mint accidentally removed the “P” mint mark in 1982. A 1982 No Mint Mark Dime can range from $30 to $300, depending on condition.
On this mistake coin, a “spear” runs through the bison picture on the reverse. At auction, several samples sold for $1,265. Collectors love it.
With an extra leaf on the corn stalk on the reverse, the 2004-D Wisconsin State Quarter is a popular mistake coin. This mistake has collectors paying over $1,500 for high-grade copies.
Although not a mistake, this coin is rare because to its mint condition. Few near-perfect quarters exist, making them prized to collectors. Auctions sold one for $2,300 in 2017.