The earlier coins are made of silver, as noted, which makes them rarer. An uncirculated one could be $2, but that's probably not worth running to eBay for. Kennedy bicentennial half-dollar coins ...

The half dollar is one of the most popular U.S. coins to collect. Though many aren’t worth more than their face value, older ...

The Kennedy half dollar was ... comprised of 90% silver — was only issued in 1964. Therefore, it seems fitting that most of the rarest and most valuable examples of this coin come from that ...

The half dollar is one of the most popular U.S. coins to collect. Though many aren’t worth more than their face value, older half dollars often hold value due to the silver in their composition ...