A kaleidoscope of currency reveals what humans have valued over time. Hi-resolution scans of banknotes from 23 countries ranging from the 1800s to the modern-day. Machine learning programs were used to zoom in on the intricacies of the engravings.
2005
1996
2010
—
2007
2017
2008
2003
2025
1965
1998
2022
1995
2023
2001
2009