Approx size 3/4” x 3/4” These vintage cufflinks from Sarah Coventry feature a green square-shaped stone set in silver-toned metal. The cufflinks are perfect for adding a touch of mid-century modern style to any occasion, particularly a wedding. They are signed by the designer and are a great addition to any collection. These cufflinks are a unit and come with no warranty, but are in great condition. They are suitable for men and would make a great gift for someone special. The material and base metal are unknown, but they are not personalized and are sold as-is.