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.
About $2-3 depending on silver price. Right now its about $2.50-ish.
It's not Kennedy he is only on Half Dollars it's Roosevelt and the value is for the silver about $1.00
All silver (1946-1964) Roosevelt dimes are common. Most are only valued for the silver, about $2.00.
All silver Roosevelt dimes (1946-1964) are considered common. If it shows any wear, the value is just for the silver, about $2.00
No Copper-nickel clad Copper 1 Dime "Roosevelt Dime" 1965-2017 1946-1964 Silver (.900)
So many were made the value is for just the silver.
A 1964 US dime is so common most are valued only for the silver at about a dollar.
A 1951 Roosevelt dime is very common, most are only valued for the silver in them, about $1.35.
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.
The value of a 1964 dime is approximately $3.00. Unfortunately the date on the coin does not matter as much as the amount of silver in the coin.