2, on 2 1/2 groschen in the block of four, clean big shield brown orangely devalues 1/2 M ". Gladbach 18.9.75 ", late on-custom use as a 25 Pfg. stamp in the year 1875 corresponding certificate Krug BPP (12/2007): ".in fresh color, stamped considerably, well perforated and in perfect condition. ... Michel 850,-++. "