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.
2014
2005
1979
1980
2018
1973
2011
2013
1985
1937
1982
1975
2006
2023
1999
2010
1988