It depends very much on its condition whether it has a mint mark.
Look on the back of the coin to see if there's a small letter below the wreath. It may be blank or there may be an O or (very unlikely) an S.
Numismedia lists the following approximate retail values as of 09/2011:
No mint mark (Philadelphia):
Very worn condition - $25
Moderately worn - $116
Slightly worn - $156
Almost no wear - $232
Uncirculated - $318 to $8,450 depending on quality
"O" mint mark (New Orleans):
Very worn - $72
Moderately worn - $198
Slightly worn - $300
Almost no wear - $706
Uncirculated - $1,530 to $34,450
"S" mint mark (San Francisco): Extremely rare; any 1894-S dime has to be authenticated by experts to make sure it isn't a counterfeit
Very worn - $75,000
Moderately worn - $93,750
Slightly worn - $104,380
Almost no wear - $119,628
Uncirculated - $312,500 to $2,187,500
DISCLAIMER: The retail values quoted are the best available as of the date shown, but may vary significantly due to changes in the precious metals market. Also the wholesale (buying) price of a coin will be less than the selling (retail) price. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.
The value of a US dime marked "ten centavos" is zero, since it is a fake. A real US dime is marked "one dime," not "ten centavos."
a 1917 us dime is called a mercury dime. its not that rare so it is worth about a dollar
Face value only.
The US discontinued its half-dime denomination in 1873.
The 1965 dime is a Roosevelt dime. This dime does not carry a mint mark and there were 1,652, 140,000 of them minted in the U.S. They have a value of between 10 cents and 2 dollars.
Current average value of a certified PR-65 1894 Barber dime is $1,400.00.
what is the value for an American 1909 silver dime
The value of a US dime marked "ten centavos" is zero, since it is a fake. A real US dime is marked "one dime," not "ten centavos."
a 1917 us dime is called a mercury dime. its not that rare so it is worth about a dollar
A 1988 dime is worth 10 cents.
Face value only.
10 cents
10c
The US discontinued its half-dime denomination in 1873.
The 1965 dime is a Roosevelt dime. This dime does not carry a mint mark and there were 1,652, 140,000 of them minted in the U.S. They have a value of between 10 cents and 2 dollars.
A US dime dated 1944 is a Mercury head dime, it's very common with a value of $2.00 just for the silver.
No US dimes were minted in 1816.