winners 21 20 19 18 17 16 15 14 13 12 11 9-10 8 7 6 5 4 3 2 1
2nd International Poster Biennale, Warsaw 1968
2-plo-17968
2-plo-04108
2-plo-06681
2-plo-08538
2-plo-01818
2-plo-02018
2-plo-01886