German Furstenberg Factory porcelainPolychrome and gilt decoration of landscapes cartouches with river, boats and buildingsTureen and cover rims framed in gilt silver "1º Título" and marked Leitão & Irmão(faults and losses)注意: Marked to base "F" in blue, dated 1750 Literature: HOPPER, W. H. and PHILLIPS W. C., A Manual of Marks on Pottery and Porcelain, Macmillan and Co. and New York, London, 1894, p. 1894, p.33