Silver Plated Antiqued Nurse Caduceus Seal - RN - Filigree Heart Post Earrings. Silver Plated Nurse Caduceus Seal - RN is approx. 0.78 x 0.66 x 0.15 (HxWxD) including loop. Antiqued Seal Design with RN on the front and a Caduceus on the back. Silver plated Filigree Heart has a steel post. Earring post is approx. 15.4 x 8.25 x 2.2 mm (HxWxD) including loop. Earring backs are Bullet ''Clutch'' Style with Plastic Pad. PLEASE NOTE: Our products are not intended for individuals 14 years and younger.