You probably tuck $2 bills into your wallet without thinking much about them, but some of those notes can be quietly valuable ...

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 ...

Old Rs 100 notes with rare serial numbers and unique features are now fetching high prices. Collectors are actively seeking ...