I always keep the best to the end and it is a banknote that have been chosen as the most beautiful note for year 2010 by the IBNS.
Uganda, banknote of 50.000 Shillings / Shilingi issued in 2010 shows Gorilla and the Independence Monument, Kampala, Uganda (right):
The stride monument, Kampala, Uganda:
That's all my collection of monkeys on banknotes (except one from Madagascar 2000 Ariary that impossible to scan). I will continue update this thread when I have new addition to my collection. Will be glad to see your banknotes show monkeys and other primates.