They are not worth more than face value unless in exceptional condition. They are kind of neat to find in change every now and then.
1944 U.S. nickels contain silver, worth a bit less than a dollar each these days. You're probably looking for the "What's It Worth" forum, not the "Error Coins" forum. Welcome to CoinTalk!
The numismatic value of any coin is primarily dependent on the condition of the coin. Without photos, we can't help you. Chris