15 C. postal stamp in the vertical pair with overprint in type I, variety "inverted overprint", unused with not original gumming, photo expertize Lothar autumn VP (2016) : "the other condition is perfect. Due to the very small printing from only 300 pairs are these stamps very rare, particularly since only a small proportion have been preserved is. In type I essential less frequently than stamps with overprint in type II, although those stamps only a printing from only approximate 80 - 100 pairs have. "