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.
1964
1991
1933
—
1995
2023
2025
1983
1900
2024
2018
2017
2022
2021