Look on the back of the coin to see if there's a small mint mark letter next to the base of the torch. It may be blank or there may be a D or S.
Numismedia lists the following approximate retail values as of 03/2010:
No mint mark (Philadelphia):
Very worn condition - $1.56
Moderately worn - $1.59
Slightly worn - $1.60
Almost no wear - $2
Uncirculated - $3.45 to $1340.00 depending on quality
"D" mint mark (Denver):
Very worn condition - $1.56
Moderately worn - $1.59
Slightly worn - $1.60
Almost no wear - $2
Uncirculated - $2.76 to $1340.00
"S" mint mark (San Francisco):
Very worn condition - $1.56
Moderately worn - $1.59
Slightly worn - $1.73
Almost no wear - $6
Uncirculated - $23.00 to $1380.00
what is the value for an American 1909 silver dime
These sell for about $2 in online auctions.
About $2 for silver scrap regardless of the condition.
10 cents.
A US dime is worth one tenth of a US dollar. The numismatic value of a dime, on the other hand, depends on its date, mintmark, and condition (or grade). All US dimes, though, remain legal tender and, thus, are still worth 10 cents.
what is the value for an American 1909 silver dime
These sell for about $2 in online auctions.
About $2 for silver scrap regardless of the condition.
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 only US coins to carry a C mintmark were gold coins struck at the Charlotte Mint from 1838 to 1861. The mint mark position on a 1950 dime is on the back at the bottom of the torch: No mint mark = Philadelphia D = Denver S = San Francisco There's more information at the Related Question.
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.