Art Deco faceted mother of pearl snap cuff links in silver tone. The cuffs are 1/2 inch, or 13 mm,in diameter and 11/16th inch, or 17 mm in length when together. These snap cuff are "Correct Link" brand. Snap cuff links were popular from 1910 to 1930. These snap cuff links are still tight with a good grip. No discoloration.