1894-S Barber Dime: This dime is one of the rarest and most sought-after coins in American numismatics. Only 24 specimens are known to exist, making it extremely valuable.
1916-D Mercury Dime: The 1916-D Mercury Dime is notable for its low mintage, which makes it highly sought after by collectors. It's considered one of the key dates in the Mercury Dime series.
1942/1 Mercury Dime Overdate: This variety occurred when the mint mistakenly struck 1942-dated dimes over 1941-dated dies. The overdate is visible as a faint "1" beneath the "2" in the date.
1946-S Roosevelt Dime with Micro S Mintmark: Some 1946-S Roosevelt Dimes were struck with a small, "micro" mintmark. These are rare and highly desirable among collectors.
1975 No-S Roosevelt Dime: A small number of Roosevelt Dimes minted in 1975 at the San Francisco Mint were missing the mintmark ("S"). These are extremely rare and valuable.
1982 No-P Roosevelt Dime: Similar to the 1975 No-S dime, a small number of Roosevelt Dimes minted in 1982 at the Philadelphia Mint were missing the mintmark ("P"). These are also highly sought after.
1996-W Roosevelt Dime: This dime was issued to celebrate the 50th anniversary of the Roosevelt Dime. It's the first and only Roosevelt Dime minted at the West Point Mint and is highly prized by collectors.
2009-S Roosevelt Dime with a Special Finish: In 2009, the United States Mint released special collector sets with dimes featuring a unique satin finish. These are distinguishable from regular circulation strikes and are sought after by collectors.
2015-P Roosevelt Dime with a Reverse Die Clash: Some 2015-P Roosevelt Dimes were struck with a die clash on the reverse, resulting in raised lines or marks on the coin's surface. These varieties are rare and collectible.