Identifying my Zuni/Navajo inlay ring

Here I have a beautiful Zuni-Navajo stone to stone inlay ring. Not sure which tribe or by whom. It’s very heavy and quite an eye catcher. I thought at first it might be an older Wilbert Manning, since it has a kachina face on the front and the inlay on the sides. But I don’t think it’s close to his expertise in workmanship. It’s definitely cast sterling and nicely inlayed! with no inside markings at all. I saw another one with the exact same style, but different stones with the initials of ( HS). Can I please get some help? THANKS!!!

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The ring is a cast shank that places like Indian Jewelry Supply sell here in town. I had an artist who thought this inlay was by an Avin Tom, Navajo.

Thanks for your time Jason. I will post the pictures of the other one I have when I get a chance. John

OMG!!! I have the same ring ini different color and have been looking for others as well the maker!! awesome style