1931 - 1994, clean mint never hinged souvenir sheet - collection ex souvenir sheet no. 1/4 - 66 in the album, in total 52 souvenir sheet and 7 miniature sheets issues, as well a few good issues among others souvenir sheet 15, 20, 21, 25 to 27, 30 to 34, 39, 41, 42, 45, high catalog value