You might be carrying something far more valuable than face value in your wallet right now. That crisp Andrew Jackson twenty ...

I’m not a collector. But Chris Naughton — a building manager in San Antonio — recently showed me a hobby I’m in danger of starting. It’s right up my alley. Naughton caught my attention by telling me ...

Rare coins and bills that haven’t been released to the public are often worth a lot of money thanks to an error or specific mint condition, but what about $2, $50 ...