5 Pf. Ochre, unperforated proof block of four, mint never hinged, photo expertize Schlegel BPP ". The proof is genuine. The lower pairs has a pressed fold, the upper pairs a trace of crease, the right lower stamp at bottom margin a cut and the left stamp a pencil notice on", the cut is a pre-separation cut outside of the stamp margin, scarce unit, Michel 4800,-