I've this note, and if I understand the serie system, of these notes, from around the 2000, we need a AC series? I've checked and it's the flag watermark.
Am I wrong? I'm no expert in banknotes, but want those I've catalogued right :)
I have a soft spot for origami paper cranes.
Read or watch about "Sadako Sasaki and the Thousand Paper Cranes".
Spread a little peace and happiness wherever you go :)