I plugged Redeemed Lawful Money into a search engine…

 

https://www.investopedia.com/terms/l/lawfulmoney.asp

 

Oddly enough, the dollar bills that we carry around in our wallets are not considered lawful money.

Read more: Lawful Money https://www.investopedia.com/terms/l/lawfulmoney.asp#ixzz5AigR2C6S
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