Art Nouveau tile, Wessel, Bonn. 200132 Fine German art Nouveau tile decorated with flower in relief. This tile is made in Bonn, Germany at Wesels Wandplattenfabrik at the beginning of the 20th century. (C 1900-1910) This tile in is excellent condition as can be seen on the picture, little rubbing of glaze around edges. Size 15.2 x 15.2 cm.