Wettbewerb "Schweizer Plakate des Jahres 1999"
The jury, consisting of Pierre Keller (chairman), Polly Bertram, Othmar Casutt, and Werner Jeker, picked the following designers and agencies from the 711 entries (in no particular order):
Find more information and the pictures of the winning entries on the web site of the Allgemeine Plakatgesellschaft, under the menu item "Kultur" > "Plakatwettbewerb".
On the same site, you can look up the winners of 1998 and 1997, and order the famous annual brochure of the APG with the winning posters. I used to distribute these interesting documents to my poster friends all over the world, fortunately the web has now relieved me of that chore.