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 ...

You've probably handled thousands of dollar bills in your life without giving them more than a passing glance. Here's the thing though. Some of those bills sitting in your wallet right now might be ...