Four-volume clean collection, 1960-1989 margin was collected mint never hinged and canceled, often.or margin corner items redouble below, at first reconciles mint never hinged -. blocks of four to 1971 in the two conditionses. The clean round cancels, place and date bridge are almost always captivating clearly to recognize among others Bed. The German x and y, class/degree of buildings, B & S ever compl. into block of four, as of approx. 1972, almost every issue ** twice availably, alone over 400 mixed plate numbers, in these quality and form no mass-produced article, estimated Michel approx. 3000,-Euro