1881, 5 C. Seated Helvetia, dark brown, variety "double embossing, one of it inverted", correctly franked single franking on cover (this center fold, outside of the franking) from "KRIENS 2. V. 82" to Neuenkirch, faultless condition, very rare, photo expertize Marchand / von der Weid, Zumstein No. 45 / Pf. I