Villeroy & Boch Althea Nova, 10 1/2-InchDinner Plate by Villeroy & Boch. $29.95. Y. Material: porcelain. Dishwasher and microwave safe. 10-1/2-InchDinner Plate. Various botannical designs. Althea Nova botannical in nature, Country in feeling. A range that is both simple and generous in its size, thus forming the ideal base for wide surface décor applications. Overall themes of herbs such as cilantro, sage and lovage.. Save 25% Off!