3 - 50 Pfg crown / eagle Bern issue for The Office of the Universal Postal Union, 6 values complete, unused, original gumming a little pass, the 3 Pfg short perforation at the bottom centered, the rest values in perfect condition, scarce issue, new photo expertize Brekenfeld BPP (2020) ". Fresh colors and normal perforated. [. ] the typical thickly overprint is genuine. The gum shows on all values in far parts no originals texture, it is a matter probably about stray original gum, because the stamps glued waren. ", Michel 2.500.-