Rosenthal New Phoenix Dinner Plate Porcelain, cream Design: multicolor floral and bird; gold detail - see photos Marker mark on back with U.S. Zone, indicating made between 1945-1949. Discontinued Vintage Approximate Measurements Rim diameter 10.25" Pre-owned. Very Good Condition Minor surface scratches or wear due to use. The term "US Zone" refers to post-World War II German porcelain made between approximately 1945 and 1949, during the period when Germany was divided into four Allied occupation zones. This marking indicates the item was manufactured in the American Zone of occupied Germany.