Here are some of the most valuable Kennedy half dollars from the 1960s, based not on flaws but idiosyncrasies of production, ...

Most people who come across a Kennedy half dollar assume it's worth exactly fifty cents, maybe a little more if it's silver.

"Junk silver" refers to common U.S. coins minted in 1964 or earlier that contain 90% silver. The value of these coins is based on their silver content, not their rarity or collectibility. Investors ...