Comment by schoen

If I remember correctly from the FOIA documents we got, it was a meeting or series of meetings with a Japanese printer industry association during the 1990s.

I forgot if we learned whether the government side was a specific government or governments, or the consortium called Central Bank Counterfeit Deterrence Group

https://rulesforuse.org/

which has been involved in other related stuff (like making some software and devices refuse to process images that are detected to be images of currency!).