1945 - 1949, comprehensive specialized, mint never hinged collection from Berlin and Brandenburg till West Saxons, collected were colored, perforation paper and gum variants, postmaster separations, plate flaw, and so on. Amongst other things no. 1 -7 B 80 X expertized Sturm BPP, pages 1 and pages 5, Hz 1, 116 -119 A, B, C and D always expertized Sturm BPP as well Michel no. 169 - 241 in the number of a major listing complete, high catalog value