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.
1999
1980
2020
1958
—
1984
2024
1969
1964
2007
1979
2021
2001
1995
1994
1998
1982
1985