Here are a few examples of rare dimes and their approximate values:
* 1894-S Barber dime: This dime is rare because it was minted in a very limited quantity and has a distinctive design. It can be worth up to $10,000 in mint condition.
* 1916-D Mercury dime: This dime is also rare because it was minted in a small quantity. It can be worth up to $2,500 in mint condition.
* 1942/1 dime: This dime has a unique design, with a silver dime sandwiched between two copper layers. It is rare because it was only minted for a short period of time. It can be worth up to $10,000 in mint condition.
* 1964 Roosevelt dime with no mint mark: This dime was originally minted at the Philadelphia Mint, but a few pieces were struck at the Denver Mint without a mint mark. It can be worth up to $300 in mint condition.
If you have a dime that you think might be rare, it's a good idea to have it appraised by a professional numismatist. They will be able to determine the authenticity and value of your coin.