Souvenir sheetses 1936-1937, extensive souvenir sheet collection with over 130 different souvenir sheet issues (all over souvenir sheets 5-11), at this among others Olympia pair of souvenir sheets (5 times), souvenir sheet 7 even (50 x) various commerative cancel (among others 1 times violet special postmark of 4-20-1937), block 8 (9 x), block 9 (20 x), 10 (5 times) and 11 approx. (40 x), in the appendix numerous documents with block mark postage paids in different variants, altogether one single object with a catalogue value of approx. 18,000,-euro (complete photos on the Internet)