Vintage Large Sterling Agate Cufflinks

As you can see from the photos these cufflinks will be different colors in different light. They are mostly a brownish gray color but under bright light you can see green also. Highly polished and oval in shape, the are marked sterling on the base and posts. They are large, 1 1/4 by 7/8 in., they will really stand out on the cuff. Could be worn with any color suit. Mid century c. 1950's or so. In good condition