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.
2010
1961
2006
2014
2013
1936
2022
2023
—
2009
1965
2005
1945
1972
2004
1950
1999