Here are 10 rare coins, including five still in circulation, that are certain to increase in value in the next five years. A news release from the U.S. Mint in 1999 estimated that 40 copper-alloy ...

Here are 10 rare coins, including five still in circulation, that are certain to increase in value in the next five years.

Final Bitcoin value = (average individual economic productivity) × (number of productive people) ÷ (21 million). A GROSS simplification, but the answers is in the tens of billions $ per coin. That’s ...