| http://www.w3.org/ns/prov#value | - Since such indicia may be easily duplicated by a properly controlled printer, security for such meters is provided by an encrypted indicia technique as described in U.S. Pat. No. 4,641,347; to: Clark et al. (Typically in this technique, information including the postage value and additional information sufficient to identify a mail piece is printed on the mail piece in plain text together with an
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