Some would call this a faux moon glow stone. I believe it is a thermal plastic they used in the late 50's early 60's. It is a deep red and will compliment any French cuff shirt or blouse. Overall size of cufflink is 5/8" x 7/8". Both men and women could wear this set. It is in very good condition with no maker's mark.
2 other shoppers have this item in their Cart or Wish List
One Stop Shop for Cuff Links, Tie Bars, Ties, Braces, Suspenders and Women's Jewelry
When you buy vintage you are buying classic memories!