Lightly 60 with overprint 2 o Quedlinburg, in perfect condition, mint never hinged, extremely scarce and totally undervalued stamp of the only a few examples have become known, the catalogue value by Michel is for these stamp perfect irrelevantly and counts for the frequent lightly 60 with overprint 2 o Köthen, unique opportunity to acquire this rarity, certificate with colour photo Dr. Calf BPP