Two of the rarest coins in the world may still be out there in someone's rainy-day fund. According to Coinweek and Blanchard ...

There’s an old saying about not taking any wooden nickels — but what if it was actually a dime ... nickel isn’t worth a shiny penny, but there are some rare coins out there that are worth ...

At some point, when Mark Patinkin accepts that coins – like flip phones – are no longer relevant, he’ll hit a bank to trade ...