Skulls are so hot that we keep adding styles to our site to keep up with the demand. This set is the classic, the original skull & crossbones. Nothing fancy, but well sized for your French Cuff shirt. These a handcrafted in the U.S.A. by a local artisan. Made from a silvertone coating that was oxidized to create a pewter look. Cuff-Daddy's product guarantee applies to these and all of our products.