1948 - 1990, interesting and rich in substance collection "form numbers / corner margins" in three ring binder on stock pages chronologically sorted, as well including 5 Mark black overprint corner margin lower left, Berlin buildings from corner margin lower left and lower right, Important Germans with several form numbers - also scarce variety, permanent issues very specialized over the total period, in total approximate 2.600 stamps in first-class quality, in existing form only heavy object to be collected with immense catalogue and trade value.