20 Pf confidential official matters vertical perforated 9 1/2 and 12 1/4 in perfect condition mint never hinged, photo expertize Schönherr BPP: \"mint never hinged, genuine and immaculate. \" still unsigned luxury item this in the C-perforation very rare and by Michel with 1.000.- clear undervalued stamp! (1C) Certificate (Image 1) (Image)

20 Pfg. On pale rose, mint never hinged, in perfect condition, expertized angel, photo expertize Paul BPP, Michel 2800.- (2) Certificate (Image 1) (Image)