What country? There were no US silver dollars minted that year.
Half dollars 1965-70 are 40% silver.
1964 was the last year for silver quarters.
1965-1970 Kennedy halves are only 40% silver. Most are valued for just the silver, about $4.50.
No 1965 US silver dollars exist.
Blood for a Silver Dollar was created in 1965.
If it's 1964 or earlier, it's 90% silver. 1965-70 are 40% silver. 1971-present have no silver.
The 1965 Kennedy half dollar is a 40% silver coin (1965-1969) but so many were made only a very high grade uncirculated example is worth more than the silver in the coin. The silver value today is about $2.70
It's currently worth about $5 for the silver. Kennedy half dollars minted 1965-70 contain 40% silver.
As of February 2018, it's worth about $2.50 for the silver.
There's no such thing.
U.S. half dollars minted in 1965 through 1970 weigh 11.5 grams and contain 40% silver.
1964 and earlier: 90%. 1965-70: 40%. 1971-present: 0%.