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.
1975
1978
2008
2005
2002
2026
—
2025
2024
2013
2001
1939
1941
1989