Are any major banknotes monochrome? | Hacker News

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		minikites on March 31, 2021 \| parent \| context \| favorite \| on: Tracing Paper (2020) Are any major banknotes monochrome?

snypher on March 31, 2021 [–]

Each layer is, but that's probably more advanced than just "printing a banknote".

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