"Collector magnifying glass" year 1973 compl. (24 exercise books), 6 exercise books philately & post-history no. 14, 17, 18, 21, 22 as well as 28 and furthermore "mail historical sheets Dortmund" 19 exercise books, 1971 (1 + 2), 1972 (1 + 2), 1973 as well as 1982, 1987 and 1989 1995, good condition