Vintage Freemason Tie Clip Red Stone?

Description

I found this at an estate sale, therefore PLEASE SEE PICS FOR BEST DESCRIPTION and use the zoom function to examine condition because I am not familiar with the item. Sold AS IS.
Clip is tight.
If you have any questions or want more pics, just let me know.
Please check out my other auctions to combine on shipping when possible. International shipping can not be combined.
Thank you