Look on the back of the coin to see if there's a small mint mark letter. It may be blank or there may be an S.
Numismedia lists the following approximate retail values as of 05/2010:
No mint mark (Philadelphia):
Very worn condition - $13
Moderately worn - $24
Slightly worn - $39
Almost no wear - $265
Uncirculated - $420 to $4,320 depending on quality
"S" mint mark (San Francisco):
Very worn - $18
Moderately worn - $33
Slightly worn - $75
Almost no wear - $353
Uncirculated - $750 to $5,600
You have a Liberty Seated Dime - a very popular coin for numismatists (coin collectors). A coin minted in 1868 that is in good condition (G4) is worth: $18.00; if its mint state is MS60, the value rises to: $ 300.00.
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.
The British have never produced a "Dime" coin. The "Dime" is a US 10 cent coin.