souvenir sheet issue "Red Cross" without watermark, variety "without cross in stamp colour in upper frame line", upper right stamp with plate flaw I ("X" instead of "K"), size 114 x 157 mm, mint never hinged, through storage partial shaded, the other condition is sound, rare proof print which so far not by Michel catalogued is, Top-rarity of the area, unsigned and photo expertize Walter Zirath BPP (2025) "this is a very rare proof print. so far is with no an additional souvenir sheet known.