| http://www.w3.org/ns/prov#value | - The method comprises the steps of receiving a reusable envelope having a reusable closure flap and that has been mailed a first time by the first sender to a first destination address, and applying a mark such as a barcode, for example, that comprises information related to the first destination address on a removable portion of the reusable closure flap that is removed when the reusable envelope
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