Date: 2006-03-31 18:42:41Cultural history Information Based Indicia Indicia United States Postal Service Postage meter Postage stamp Franking Envelope Mail Philately Postal system Terminology | | Carnegie Mellon University Computer Science technical reports CMU-CS[removed]Cryptographic Postage Indicia J. D. Tygar and Bennet Yee and Nevin Heintze January 1996Document is deleted from original location. Use the Download Button below to download from the Web Archive.Download Document from Web Archive File Size: 299,47 KB
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