The US stopped minting silver dollars in 1935. The next dollar coins weren't made until 1971 and they weren't silver, they're copper-nickel.
If your coin has a portrait of President Kennedy on the front please check the denomination on the back; you'll find that it's a HALF dollar.
There's more information at the Related Question.
Value is for the silver about $2.50
No 1965 US silver dollars exist.
The last silver certificates were dated 1957 and there are no US bills dated 1965. By 1965 the U.S. had stopped making coins from silver and discontinued the policy of redeeming silver certificates for metal.
US coins were never made of solid silver because it's too soft. From 1965 to 1970 US halves were only 40 percent silver; the rest was copper.
U.S. half dollars dated 1965-1970 contain 40% silver and are currently worth about $3.
Value is for the silver about $2.50
No 1965 US silver dollars exist.
The last silver certificates were dated 1957 and there are no US bills dated 1965. By 1965 the U.S. had stopped making coins from silver and discontinued the policy of redeeming silver certificates for metal.
US coins were never made of solid silver because it's too soft. From 1965 to 1970 US halves were only 40 percent silver; the rest was copper.
U.S. half dollars dated 1965-1970 contain 40% silver and are currently worth about $3.
There's no such thing.
Pre-1965 US quarters are 90% silver with a value of about $2.50 just for the silver.
Please check again and post a new, separate question. No US bills of any kind were dated 1965 and the last $2 silver certificates were dated 1899.
What country? There were no US silver dollars minted that year.
A real silver dollar has a $25.00 value just for the silver.
what is the current value of an 1878 silver dollar
Kennedy half dollars dated from 1965 to 1970are only40% silver. A 1966 is not rare, most are only valued for the silver about $5.