A single coin can be worth a lot of money -- a pretty penny, one might say -- if it's rare and has enough historical ...

The 1971 Half Dollar holds a unique place in American coinage history as the first year the Kennedy Half Dollar was minted without any silver content for general circulation. Introduced in honor ...

They were the last U.S. half dollar series struck entirely in 90% silver. The Kennedy half dollars that followed were made as 90% silver circulating coins for one year only. Beginning in 1965 ...