1960 - 1990, mint never hinged, strong specialized collection, as well has the collector tried each issue with all four corner margin and upper- as well lower margin block of four to documents, additional margin features like all different form numbers, color bars and so on, especially the permanent issues intense collected, in addition to it se-tenants and stamp booklet pages, in allways grand quality, extensive collection from abandonment of a collection, in 14 lighthouse outstanding quality stock books with slipcases, in this kind very unusual and only difficult to collect, the life work of a passionate collector!