Vintage Freemason G Tie Clip/Clasp Simmons Sterling Black Stone

Description

Vintage Freemason G Tie Clip/Clasp Simmons Sterling.
Good condition . Some tarnish on silver  in spots .
Interesting  Black square stone (maybe onyx?)
With Freemason symbol in middle.
Simmons sterling stamped  on back of clip .
Clip in good working condition.
3 inches long
Hard to pick up stamp on camera
From smoke free home.