An electronic indicium to be affixed to a mailpiece to be processed by a postal meter and an AFCS unit, and methods of using the electronic indicium in postal processes. The indicium includes a controller, a memory for storing postal funds and postal information, a sensor and transmitter for communicating...http://www.google.com/patents/US6415336?utm_source=gb-gplus-sharePatent US6415336 - Electronic indicium and methods of using same in postal processes