: The $5 bill is the most "hard-working," with the shortest average lifespan of only 4.7 years due to frequent use. 2. Global Curiosities & Origins
Modern monetary units are rarely backed by physical gold or silver; instead, they exist as , valued because of government decree and their use in paying taxes. monetary unit
The names and symbols we use for these units often have deep historical roots. Dollar Bill Dimensions and Fun Facts: Believe It or Not : The $5 bill is the most "hard-working,"