© 2005 - The Rhino Company. All rights reserved. Postcards Keep in touch with full colour postcards from The Rhino Company. Whether you want to use them to advise parents when a child has excelled in school, or to let parents know of your school's latest achievements, The Rhino Company can use digital print technology to print as many or as few postcards as you need in full colour on both sides, with a high gloss finish on the front. Contact an Account Manager for details.