Ah, the 1966 Kennedy half dollar, a coin that's a bit of an interesting middle child in the world of U.S. coinage. It's not the famous 90% silver rockstar from 1964, nor is it the plain-Jane clad coin that came later. It's what you might call "silver-lite."
For a common 1966 50-cent piece that has seen a bit of life—jostled around in a pocket or a cash register—its value is mostly tied to its silver content. These coins are made of 40% silver, so their base worth is their "melt value," which fluctuates daily with the silver market. Generally, you can expect it to be worth a few dollars just for its metallic content alone. It's definitely worth more than the 50 cents stamped on its face, so please don't use it to buy a gumball.
However, if your coin looks like it just stepped out of a time machine from 1966, we're talking about a different ballgame. As the NGC and Greysheet price guides suggest, condition is everything in the coin-collecting world. An uncirculated, or "Mint State," specimen that has no wear and still boasts its original luster can be worth more to a collector. A nicely preserved, uncirculated 1966 Kennedy half might fetch several dollars, with prices climbing higher for coins in near-perfect condition that have been professionally graded.
So, in short: is it a treasure that will let you retire to a private island? Probably not, as over 108 million were made. Is it a cool piece of history worth significantly more than its face value? Absolutely. Its value is somewhere between a decent cup of coffee and a fancy sandwich, depending on how well it has aged.
