Wow. I am no coin expert, but if it is a quarter that is actually silver, not nickel, and the imprint is raised, and not indented, probably priceless. We see very few "screw ups" from the mints, but when we do, some coin collectors go nuts for them.
what is the value for an American 1909 silver dime
Nothing. There is no such thing. The most silver any dime has is 90%. This is most likely what you have.
The value to a collector depends on the coin's condition. Show it to a coin dealer.
You can tell a coin is silver by either looking at the edge and finding it a uniform silver color (with no darker colors) or by finding a dime, quarter, half dollar or dollar with a date from before 1965. They now make silver versions of the dime, quarter and half, but only in proof sets.
Average value is $3.00-$5.00.
what is the value for an American 1909 silver dime
1964 or earlier
If it has any wear at all the value is for the silver only about $1.00. A uncirculated 1942 dime is about $2.50
Nothing. There is no such thing. The most silver any dime has is 90%. This is most likely what you have.
A 1951 Roosevelt dime is very common, most are only valued for the silver in them, about $1.35.
The last year the American half dollar, quarter, or dime where made of silver, for general circulation, was 1964.
The value to a collector depends on the coin's condition. Show it to a coin dealer.
With silver at $41.39 per ounce, as of 9-10-11 a 90% silver dime has a Melt Value of $3.99.
1902 and 1907 silver dimes
The 1914 Barber dime is a common coin. Value is $4.00-$8.00 for most coins.
For the answer, visit: http://www.coinflation.com/coins/1946-1964-Silver-Roosevelt-Dime-Value.html
You can tell a coin is silver by either looking at the edge and finding it a uniform silver color (with no darker colors) or by finding a dime, quarter, half dollar or dollar with a date from before 1965. They now make silver versions of the dime, quarter and half, but only in proof sets.