Caduceus Medical Address Stamp Details The Caduceus symbol is a clear representation of the medical profession. This return address stamp is perfect for hospitals, clinics, emergency centers, private practices and home care takers. Add your custom information and start stamping your outgoing mail. Choose from self-inking or traditional hand stamp. Different sizes and ink colors are available. Most orders ship within 24 hours! Order your return address stamp today! Why buy extra ink? Your medical stamp will last for numerous impressions, much longer than the ink that comes with it. Purchasing extra ink with your stamp will ensure that you will get full value from your stamp for years to come. Order ink with your stamp and don't run out of ink on the day you need it the most!