A 1964 Roosevelt Dime has .07234oz of pure silver. as do all pre-1965 Roosevelt dimes regardless of date or mint mark. Those dated 1965 and later are made of copper-nickel.
So many were made most are valued at the silver content only so about a dollar
For the answer, visit: http://www.coinflation.com/coins/1946-1964-Silver-Roosevelt-Dime-Value.html
The 1964 Roosevelt dime is the most common of all silver dimes, it's worth about $2.00 only for the silver.
A 1964 US dime is so common most are valued only for the silver at about a dollar.
1964
A 1964 dime is made of 90% silver and 10% copper, known as a "silver dime" because of its silver content. These dimes were the last to be minted with silver before the composition changed to a copper-nickel alloy in 1965.
If it's dated 1964 or earlier, it contains 90% silver with 10% copper. If it's dated after 1964, it contains no silver.
0.0723 troy ounces of silver.
So many were made most are valued at the silver content only so about a dollar
A 1967 dime contains no silver, as it was made of a clad composition of copper and nickel. The last U.S. dimes to contain silver were minted in 1964 and earlier, which were made of 90% silver and 10% copper. If you're looking for silver content, you would need to look at dimes from 1964 or earlier.
For the answer, visit: http://www.coinflation.com/coins/1946-1964-Silver-Roosevelt-Dime-Value.html
The 1964 Roosevelt dime is the most common of all silver dimes, it's worth about $2.00 only for the silver.
If it was post-1964 it is worth ten cents, so long as you can get someone to recognize it as a dime. If it is pre-1965 and made out of silver, it is worth its silver content, worth up to around $1.85.
If it's a US dime dated 1964 or before it's silver
It's 90% silver and 10% copper with a total weight of 2.5 grams, which makes 2.25 grams of silver.
A 1964 US dime is so common most are valued only for the silver at about a dollar.
Explain by what you mean as "special" as far as I'm aware there are no different varieties of 1964 dimes and so your coin is worth about $2 for the silver content.