Look on the back of the coin to see if there's a small mint mark letter below the wreath. It may be blank or there may be an O or S.
Numismedia lists the following approximate retail values as of 10/2011:
No mint mark (Philadelphia):
Very worn condition - $4
Moderately worn - $6
Slightly worn - $8
Almost no wear - $62
Uncirculated - $110 to $6,210 depending on quality
"O" mint mark (New Orleans):
Very worn - $7
Moderately worn - $32
Slightly worn - $49
Almost no wear - $156
Uncirculated - $270 to $8,000
"S" mint mark (San Francisco):
Very worn - $6
Moderately worn - $9
Slightly worn - $16
Almost no wear - $99
Uncirculated - $240 to $6,050
Note: Dimes minted from 1892 to 1916 are usually called Barber dimes after their designer, Charles Barber.
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.
what is the value for an American 1909 silver dime
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.
No such thing. There were no US dimes minted that year.
Most are only valued for the silver, about $2.00.
1905 is a common date Barber dime. Average condition coins are $3.00-$5.00.
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.
The value of a 1905 Canadian quarter depends on its condition. You can expect to fetch between 1 and 25 US dollars for such a coin at auction.
A US dime dated 1944 is a Mercury head dime, it's very common with a value of $2.00 just for the silver.