A method for re-negotiation upstream of the agreed during a compound in an atm - network

摘要

A detachable stamp (particularly a promotional stamp) and an envelope comprising same are provided for use in the technical field of manufacturing postage stamps and mailing envelopes. One wall of the paper or cardboard mailing envelope (1) comprises a built-in stamp (5, 7, 10) and a weakened portion (23) surrounding said stamp.