I just found out today that the Parket Quink Green Jade #FountainPen ink I've been looking for was apparently a limited run made in China only for the Asian market in 2021.
It's one of the most beautiful jade green inks I've ever seen, and I hate it when companies do that kind of thing, because I specifically want a jade green ink to celebrate my heritage.
Here's niki.notebook with an interesting plastic dip pen that features the Parker Green Jade Quink: