25 Pfg bright brown ocher, rarest colour, good perforated copy, with very fine centered and clear mounted single circle postmark "Hamburg 7. b 1 / 6 88", at the bottom a slight horizontal trace of crease, reverse a small rough respectively thin. Photo expertize Petry BPP (09 / 2016, the attest was before the washing off, the reverse rest of hinge created), Michel 1. 500.