1964 half dollars are 90% silver, currently worth just under $9. Then halves dated 1965-1970 are 40% silver, worth about $3.50 (as of 6 May 2013).
Sorry no US dollar coins dated 1964
All 90% silver half dollars are about $10.00 just for the silver.
The silver value is about 5-6 dollars.
The last year before 1964 that silver dollars were minted was 1935, and they were 90% silver. The melt value at present is about $24.
Eighty dollars.
A 1964 Canadian half-dollar has a value of approximately $12 Canadian dollars. This value is dependent on the current silver market.
The coin is very common, most are valued for the silver only at about 5 dollars. 1964 was the last year for 90% silver coins.
So many 1964 Kennedy half dollars were made and saved the value is just for the silver, about $5.00
It's not Kennedy he is only on Half Dollars it's Roosevelt and the value is for the silver about $1.00
Without a date and mintmark it is impossible to tell. The current silver melt value for 1964 90% silver half dollars is $12.34. The melt value for half dollars made between 1965-70 is $5.04. These are 40% silver. See the related links below for more information.
1964 is an extremely common date for half dollars. At present, they're worth around $11 for their silver content.
The percentage of silver in circulating dimes and quarters minted after 1964 is 0%. Half dollars were 40% through 1970.