An antique 1910s pitcher by Royal Bonn of Germany, a porcelain manufacture established in 1836 that produced high quality works of both porcelain and earthenware, which soon became popular among the elite European aristocracy; it existed until 1931. A large white jug with a blue water lily transferware pattern and golden spots in the background. Hallmark on the bottom: Royal FM 1755 Bonn Wasserrose Germany. This hallmark was used in the period from 1890 till 1920. Collectible Antique Porcelain Items For Interior Design.