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.
1940
2008
1980
1999
1977
2018
2004
2005
2016
2020
1969
1984
1964
2022
1998
1992
2007
2011
1970