25 Pfg crown / eagle yellowish orange, overprint "marshal islands", so-called Berlin issue, with left lower corner of the sheet, in perfect condition mint never hinged, decorative extremely fine copy the sought-after stamp, expertized Buehler and new photo expertize Steuer BPP (2020) "the to the so-called Berlin issue belonging stamp [. ] possesses an authentic overprint and is in perfect mint never hinged condition. "