Proof for souvenir sheet issue \"red cross souvenir souvenir sheet\", paper, size, colour and gum correspond the 25er sheet the stamp issue, experimental perforation L 11 3 / 4 gives way on the other hand of the perforation the issued stamps at, the Clich_ of four for the printing became from an upper corner the 25 he plates for the stamp printing be separated, mint never hinged, for a proof not uncommon with impairments like normal creases and at of the left page a slight slight crease extension, an ungummed strip at the right margin is manufactured, expertized Gilbert, Mahr BPP and expertise Robert Brunel VP (2023) \"apart from that is the condition perfect. The proof is extremely rare. \"