The new 1,000 Baht note. Rama V abolished slavery in Thailand in an interesing way, one that reminds me of Abraham Lincoln's ideas (never implemented).
The new Swiss banknotes, starting in with the 50-franc note in 2016. "The winning designs featuring blood cells and embryos, by artist Manuel Krebs, [were] ultimately abandoned by the SNB after public opposition."
Billetes (video). I wasn't sure what I was watching, but the customers seem satisfied.