1. 1964 Kennedy Half Dollar (90% Silver) The very first year of the Kennedy Half Dollar, minted in 1964, is highly sought after due to its 90% silver content. Coins in excellent condition, especially uncirculated or proof versions, are especially valuable.
2. 1964-D Kennedy Half Dollar This Denver-minted version from 1964 is rarer than the standard 1964 coins, making it a top choice for collectors. Its high silver content and lower mintage add to its value.
3. 1970-S Proof Kennedy Half Dollar A standout in the series, the 1970-S is the last year the coin was struck with 40% silver. It was minted only for proof sets, so it's rarer than regular circulation coins and highly collectible in excellent condition.
4. 1982 and 1983 No Mint Mark Kennedy Half Dollar Some Kennedy Half Dollars from 1982 and 1983 were mistakenly struck without mint marks. These error coins are highly sought after by collectors for their rarity.
5. 1976 Bicentennial Kennedy Half Dollar Released to commemorate the U.S. Bicentennial, this coin features a unique reverse design. Proof versions, especially those with the "S" mint mark, are particularly desirable.
6. 1998-S Proof Kennedy Half Dollar The 1998-S coin is part of a limited mintage and is highly prized by collectors of proof coins. Its relatively low mintage makes it a great addition to any collection.
7. 1964 Special Mint Set (SMS) Kennedy Half Dollar The 1964 SMS coins were produced in special sets and are rarer than standard mint coins. These coins, in high grade, can be worth thousands of dollars.