Our Registered Nurse Caduceus Pin. is 3-D die-cast with RN proudly stated in red enamel on a gold plated caduceus. The caduceus is used by the medical field, military medics and has become the unofficial symbol of medical professionals and medical associations. These are perfect as a gift for a graduate, your RN team or to give at a medical conference! Each nursing pin includes a standard clutch back and is individually poly bagged.