As best as I could find the makers mark is pre 1920s but I cannot guarantee that as I am not an expert

This vintage dinner plate is a stunning piece of art pottery from Hutschenreuther, a renowned brand in Bavaria. The hand-painted floral pattern on the yellow porcelain background makes it a perfect addition to any decor. Its antique charm is sure to impress any collector, while its floral theme adds elegance to any table setting.