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.
2009
1951
1988
2021
2011
1941
2018
2025
2010
1942
2023
1936
2012
2020
2004
2005
2007
2015
