Yes. It is composed of 90% silver and 10% copper.
If you check the back you'll find that you have a halfdollar. There has never been a US-issued Kennedy silver dollar.
No US dollar coins were struck in 1963, look at the coin again and post new questionIf your coin has a picture of Benjamin Franklin on the front, turn it over and check the denomination. It should be a halfdollar.
There is no such thing as a 1968 Franklin halfdollar. But there is a John F. Kennedy half dollar from 1968.
Please check again and post a new question. The US didn't print any bills dated 1951.
John F. Kennedy
Silver Canyon - 1951 was released on: USA: 20 June 1951
Silver Glory - 1951 TV was released on: USA: 1951
Silver Glory - 1951 - TV was released on: USA: 1951
The condition of the 1951 United States Silver Quarter can vary greatly. However, the common one will only be worth $3.54.
A 1951 Roosevelt dime is very common, most are only valued for the silver in them, about $1.35.
Silver Canyon - 1951 is rated/received certificates of: USA:Approved (PCA #15012)
No.