80 Pfg Germania with overprint "Sarre" in type I, overprint error D "bar division vertical 3 / 4 to 1 / 4" with lower margin, in perfect condition mint never hinged, manufactured pre folding in the margin, expertized Dr. Dub, Burger BPP and new photo expertize brown BPP (2017) : "stamp and overprint are genuine. The quality is perfect. ", Michel 1.000.-