The packaging comprises a cover (10) and a diptych (11), to be arranged in the same way as a book. The packaging comprises a case (2) comprising a cover part (26) and a diptych part (27), said cover part (26) forming said cover (10), a first blister plate (3) and a second blister plate (4) and the diptych part (27) forming said diptych (11) an intermediate panel (30) of said cover part (26) forming a back (14) of said cover (10) and an intermediate panel (51) of said diptych part (27) forming a back (17) of said diptych (11), with a side (43) of said intermediate panel (30) of said cover part (26) that is linked by a bridge (18) to a side (65) of said intermediate panel (51) of said diptych part (27). The blank is arranged to form the case (2).
