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.
2001
2004
1972
2007
2013
2018
2016
2002
1962
2014
2008
1930
1929
2023
2020
2021
2015
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