If you have a coin collection, something might be hiding inside that's worth much more than its weight in gold. The ...

If you are interested in buying silver coins, here are four basic types as listed by the United States Gold Bureau (USGB).

Just one other threepence coin of this type is known to have survived to the ... than three times its presale estimates. Other historic US coins have fetched vast sums at auction too.

The Massachusetts Historical Society has had one of these coins in its collection for 120 years and no individual collector ...