50-500 USD or so
It is worth face value.
It is worth a penny
The coin is face value.
The value of a 1972 silver dollar, specifically the Eisenhower dollar, varies based on its condition and mint mark. Most 1972 Eisenhower dollars are made of a copper-nickel composition and have little numismatic value, typically worth around $1 to $2. However, the 1972-S proof version, which was struck in 40% silver, can be worth more, generally ranging from $5 to $15 or more depending on its condition. Always check current market prices for the most accurate valuation.
If it's a regular copper-clad circulating version from Philadelphia or Denver, it's worth one dollar. If it's the 40% silver collector version from San Francisco, those sell for around $6.
5 cents.
The coin is face value
It is worth it's value.
As of 10/2009 a 1972 proof set is worth: $8.00 - $9.00.
It's worth 1 to 5 dollars.
It's worth 2 cents for the copper.
A 1972 Kennedy half dollar contains no silver and is worth 50 cents.