1933 - 1945, extensive in the number of a major listing complete cancelled collection in the Lighthouse album, over and over again through numerous documents including various First-Day-Covers supplemented, Chicago travel expertized Peschl BPP, charity souvenir sheet with photo certificate Schlegel BPP (2011) : "here and there a little roughened and two small trace of creases, otherwise in perfect condition", Ostropa souvenir sheet expertized Peschl BPP, high catalog value and very interesting collection - straight also because the many contained documents!