The standard, circulated Bicentennial Kennedy half dollar is still worth just about 50 cents, but collectors on the Internet seem willing to pay much more. More than half a billion were made over the course of their two-year production run.

History, links, and additional info:

Available resources about the history of the manufacturer and/or origin and the item.

Half dollars with the 1776-1976 date were minted in 1975 and 1976. As a result, there are no coins marked 1975.

• Bicentennial coinage on Wikipedia
• Kennedy half dollar on Wikipedia