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.
1978
1951
1993
2009
1997
2025
—
2006
1965
2023
2024
2021
2022
1941
2013
1952
2012