Wonderful 1960s vintage men's silver tone cufflink set with clear round Lucite Cabochon with black, gold and iridescent blue World Globe Designs. The cufflinks measure 7/8" in diameter! The cufflinks have bullet back closures. The bullet can be flipped on its axis to manipulate it through the button holes in the cuff, and then flipped to secure the cufflink on the shirt. The cufflinks are marked with a Patent number 2974381 which was issued in 1961. A beautiful set in great condition which look unworn! Our cufflink sets include a paper gift box with cotton lining and make a great gift for your favorite vintage gentleman!