3 Groschen cut out of postal stationery, square cut, as a single franking on cover with blue two ring cancel "Oldenburg 8 / 1 8-1 N" to Berlin addressed, reverse issue cancel from 10.1, signed Jakubek (handwritten), Pfenninger and Dr. Marx as well photo expertize Brettl BPP: "the right lower corner is slightly bevelled and left touched lightly. At three sides cut into. Reverse is the flap improper opened and to the conservation glued at the back. Having bright colors and otherwise faultless condition. The cancellation is good on the cover turning into. As postal stamps related postal stationery cut samples in Oldenburg official disallowed, but rather were on sufferance. There are to me only five covers this Oldenburg rarity recorded. " - very rare piece the Oldenburg philatelie!