This is a set consisting of a PAIR OF VINTAGE CUFF LINKS & MATCHING TIE CLASP / CLIP.  It has colors of GREEN, TAN, WHITE & GOLDTONE.  Marked only with:   Pat.2920353.  They are oval, and measures appx. 3/4" by 5/8".   I cannot tell if they are glass or porcelain.   Very good condition.    Shipping is FREE if within the USA.   Check out my other items.   I have lots of vintage jewelry listed, and am always adding more.    Please add me to your favorites list.