PROBLEM TO BE SOLVED: To provide postal matter that reduces postage and printing expenses borne by advertising clients.;SOLUTION: A postal matter group consists of: a destination notation section 3 where a destination 2 and a sender notation part 4 are written; a first advertisement information notation part 5 where a first advertisement information piece 5a of a first advertising client is written; a second advertisement information notation part 6 where a second advertisement information piece 6a of a second advertising client is written; a first reply post 7 provided with a first response part 7a and a first reply post information piece 7b for responding to the first advertisement information piece 5a; and a second reply post 8 provided with a second response part 8a and a second reply post information piece 8b for responding to the second advertisement information piece 6a.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2018,JPO&INPIT
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