Systems and methods of insuring payment of a proper amount of postage, comprise receiving payment for an amount of postage, affixing a postage indicia to a piece of mail, wherein the postage indicia includes the postage amount in a format readable only by machine, and adjusting the postage amount at...http://www.google.de/patents/US8108322?utm_source=gb-gplus-sharePatent US8108322 - PC postage™ service indicia design for shipping label
