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.
1997
1968
1950
1988
2022
2016
1977
2009
2004
2013
1967
2015
1970
2020
2006
2003
2014