Please see the Related Questions for each of the 3 coins.
There is no such thing as a 1968 Franklin halfdollar. But there is a John F. Kennedy half dollar from 1968.
If you check the back you'll find that you have a halfdollar. There has never been a US-issued Kennedy silver dollar.
If your coin says "QUARTER DOLLAR" on the back it's a Washington quarter and is worth only 25¢ John F. Kennedy lived in the 20th century and would not be wearing a powdered wig!If your coin says "HALF DOLLAR" on the back it's a halfdollar and is worth extra for its silver content. There's more information at the Related Question.
In the year 2000, the value of the quarter dollar which is 25 cents was $0.25.
No, a quarter is a different coin, and its value is only a quarter (1/4) of a regular dollar.
A 1967 Washington quarter has no silver and is face value.
It's just a quarter spend it
25 cents.
25 cents
$455.5
The coin is a common quarter so spend it.
1792 quarter