Berlin - corner margin block of four, 1948-1990, mint never hinged corner margin block of four quality collection (uniform right upper corner), in 2 tomos, as well Lortzing with photo certificate Schlegel BPP "perfect", Beethoven, T. D. Stamp 1951, men, Michel no. 22 with photo expertize Schlegel BPP "perfect", after from 1954 obviously complete, high catalog value