While not every proof set is worth a mint (forgive the pun ... but this 10-piece collection from 1890 is anything but minor.

If your parents or grandparents did the same, you might be pleasantly surprised to find that the coins from those proofs can be worth a good bit. “Today, the proof half-dollars, especially the ...

Today that wouldn't buy you anything ... feel there were only proof coins made during this year. If you have a half cent dated 1831, it's definitely worth checking out. The half-cent was ...

Coins become valuable for several reasons, ranging from their historical value to their metal content. In nearly all cases, however, the most valuable coins are the rarest. Some rare coins have ...

It might be worth ... Coins, the story goes that the San Francisco Mint had an accounting shortfall of $2.40 in 1894. So, the mint superintendent reportedly had a tiny sum of 24 proof dimes ...

He continued: “Now pay attention as the one that is worth a lot of money is the gold proof version.” While the obverse side of the coin, which is more commonly known as the “heads” side ...