For most Americans, the Kennedy Half Dollar is just loose change — a bulky coin you rarely see in daily transactions. But collectors know better. Tucked away in drawers, jars, or even inherited from grandparents, some of these coins are quietly worth small fortunes.
Since its first minting in 1964, the Kennedy Half Dollar has seen several rare variants that have become highly desirable among numismatists. Some of them are so rare and valuable that accidentally spending one could be like tossing a winning lottery ticket into a vending machine.
Here are five Kennedy Half Dollars that could be worth hundreds, thousands — or even over $100,000. If you come across one of these, you’ll want to hang onto it.
1. 1964 Accented Hair Proof Kennedy Half Dollar
Estimated Value: $5,000 – $20,000+
This coin was part of the first batch of Kennedy Half Dollars ever produced — and it carries a subtle but significant design difference. The “Accented Hair” variety has more pronounced details in Kennedy’s hair above his ear. It’s believed that Jacqueline Kennedy requested a design change, making this version short-lived and rare.
What makes it even more valuable is when it’s found in perfect proof condition with strong contrast (known as “Cameo” or “Deep Cameo”). Collectors pay top dollar for these examples.
2. 1964 SMS Kennedy Half Dollar
Estimated Value: $50,000 – $100,000+
This is one of the most mysterious and rarest Kennedy coins ever found. SMS stands for “Special Mint Set,” but in 1964, no such official sets were released to the public. Only a handful of these coins are known to exist — believed to be test strikes or presentation pieces made for internal purposes.
What sets them apart? A mirror-like finish, satin texture, and sharp, crisp details. These coins rarely show up in auctions, and when they do, bidding wars can drive prices into six figures. One of these sold for over $100,000 in a major auction.
3. 1970-D Kennedy Half Dollar
Estimated Value: $500 – $3,000
In 1970, the Denver Mint struck Kennedy Half Dollars only for mint sets — they were not released for general circulation. This limited mintage makes the 1970-D one of the key dates for collectors.
Though not as dramatic as the six-figure coins, finding this in uncirculated or pristine condition can still bring in a tidy sum — especially if it’s been preserved in its original mint packaging.
4. 1966 SMS Kennedy Half Dollar (With Cameo or Deep Cameo Finish)
Estimated Value: $100 – $1,500+
In 1965-1967, the U.S. Mint didn’t issue proof sets, but they did release Special Mint Sets (SMS). Most of these coins look average, but a few were struck with extraordinary contrast — mirror-like fields and frosted details.
These “Cameo” or “Deep Cameo” examples from 1966 are highly sought after. Grading agencies like PCGS and NGC assign higher premiums to coins with these finishes, pushing values into the thousands if the coin is in near-perfect condition.
5. 1998-S Matte Finish Kennedy Half Dollar
Estimated Value: $300 – $1,500
This one is relatively modern, but that doesn’t mean it’s common. The 1998-S Matte Finish Kennedy Half Dollar was only included in a special collector’s set featuring a commemorative Robert F. Kennedy silver dollar.
Only about 62,000 of these sets were produced, and the coin has a unique dull, matte surface — very different from the usual mirror-like proof finish. Its distinct look and limited release make it a favorite among modern collectors.
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Final Thoughts
It’s easy to overlook half dollars these days. Most people don’t carry them, and cashiers rarely hand them out. But if you happen to find one in your change, your old coin collection, or even hidden in an old coin roll — take a second look.
