Please turn the coin over and check the denomination on the back. You'll find it's a half dollar. The U.S. did not mint any $1 coins from 1936 to 1970 inclusive.
It's not JFK, it's Ben Franklin and the value is about $12.00 just for the silver. NOTE: JFK appeared in 1964 for the first time on the half dollar
It would destroy the collector value however it would still be worth around $10 for its silver value.
Value for a proof 1962 is $10.00-$12.00
The 1962 Franklin half dollar is one of the highest mintage of the series, most are valued for the silver at about $11.00.
This coin is frequently called a Franklin half dollar because it has a picture of statesman, inventor, and Founding Father Benjamin Franklin. There's more information at the Related Question linked below.
A 1962 half dollar is 90% silver. The circulated value is $7.01 because of the silver content. The uncirculated value is $20.
The 1962 Franklin half dollar is one of the highest mintage dates of the series, a typical Mint State coin is $18.00-$20.00, collectible circulated coins are $16.88 to $17.95 depending on the grade.
7-8-11>>> All Franklin halves are considered common, even proof coins. Typical 1962 proofs sell for $18.00-$20.00
Roosevelt is on the dime and Franklin is on the half dollar. Value is $7.00 to $8.50
The coin is so common, if it shows any wear, the value is just for the silver about $12.00
A 1962 Canadian silver dollar with the image of Elizabeth and text of ELIZABETH II DEI GRATIA REGINA is worth $11.42 today. This is because of the value of the metals used to make the silver dollar.
1962 is not a hard date to come by for Franklin half dollars, actually all Franklin half's regardless of mintmark are common and most circulated coins are valued for the silver only, about $7.00