1937 - 1979, mint never hinged, unused and cancelled collection souvenir sheets, nearly all multiple collected with Michel-no. Souvenir sheet 3 (6), souvenir sheet 9 (6), souvenir sheet 11 A (6), souvenir sheet 11 B (7), souvenir sheet 13 (12), souvenir sheet 30 (6), souvenir sheet 33 (7) and so on.