About $4-5
The values is only for the silver it has(40%) and it's about $2.00
Look at the back of the coin for "HALF DOLLAR" no US dollar coins were struck after 1935.
There are .1479 troy ounces of silver in a 1967 US Kennedy half dollar.
Check the date again. US dollar bills were not made in 1967.
The 1967 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
The US didn't make any $1 coins from 1936 to 1970 inclusive. Please check the back of your coin - it's a HALF dollar.
It's a novelty or magicians coin and is Not a product of the US Mint, as to value maybe 5 bucks
50$
Please check your bill again. There were no US bills dated 1967.
A US half dollar with a date of 1979 is a Kennedy half dollar not a liberty half dollar. The coin has no silver and is only face value.
It has a metal value of about $10.
Value is for the silver about $2.50