Looking to see if anyone knows who stamps:
H E
Pic attached. A little-more-than-quick search has led to nowhere.
@bossmare Hi & Welcome. I checked my Bill Hougart book “Native American and Southwestern Silver Hallmarks” but, unfortunately, this hallmark isn’t listed. You may want to try Google Lens. Also, there’s an online resource for hallmarks that could be helpful - https://www.art-amerindien.com