A white jade plaque Yuan Dynasty, two flying geese, in later (19th century) silver frame, Yuan dynasty (jade), 14th century, China, 10.5 x 6.5 cm (just the jade plaque), or 12.5 x 6.8 cm (including the silver mounting), A carved jade relief showing two birds, lotus leaves and trailing branches. Mounted in a later silver casing (marked on the back). No damage or restoration noted. Normal wear from age and use.