I don't know the exact date with 100% certainty. Possibly sometime in the late 2000s or early 2010s. But if you know, please let me know.

And if you've been wondering what N5 looks like, here's this photo for you.

And for those who doubt that this is N5, here's the link:

https://www.higashiyama.city.nagoya.jp/blog/2012/01/post-884.html

kirill mefodiy, Thank you very much! A unique photograph

i have my own stash of n5 pics, might add some later