Contemporary Brooch

Identifying & Discovering
1

Lovely sterling and onyx pin but I don’t know who the artist is. I stumble on these pieces but don’t know who they are.

<img src=/uploads/db1846/original/1X/871c49482bf1614d3519a6c4bef24141965a99bc.jpg">

<img src=/uploads/db1846/original/1X/f8156a2a951b83f83771019c9b0622647b3a1b73.jpg">

<img src=/uploads/db1846/original/1X/389cc00a0b04b47520679fae4b155b3fb37d2c92.jpg">

2

Hello the work is Navajo, do not know the initial hallmark, thanks for sharing.