A large antique Art Nouveau porcelain vase from the Bavarian company Rosenthal decorated with Rosari pattern designed by Julius von Guldbrandsen, circa 1920. The wide vase with a wooden insert collar at the neck. The item is richly painted with large blue flowers and leaves on a gold tone background. At the bottom of the vase there is a mark of the Bavarian company Rosenthal. Rosenthal is a German manufacturer of porcelain products and other household goods. The original firm was founded in 1879 in Selb, Bavaria. Antique Jugendstil Porcelain Vases and Collectibles.