I would say LI also Ive had a few of them over the years, I have a green stone myself and Im not sure if its a LI or CF lol, it looks more like a LI but when I tried it it produced a hell of an edge that gave me a great shave so now Im really unsure lol, if a stone fits in my progression I tend to keep it I have plenty of options in the LI region so tend not to keep any, they are a lovely looking stone and lap easily enough.
Nice stone I hope you have a place in your progression for it.