A large maebyeong jar with rounded shoulder and two sides lightly pressed flat. Decorated in white and brown sanggam inlay under a grey-green celadon glaze with medallions of willow trees alternating with pairs of birds in bamboo and flowering prunus. Lotus petal borders to the neck and foot. Restored.This vase displays the distinctive sanggam technique of the 13th century Goryeo dynasty whereby motifs were cut or incised into the clay body, filled with coloured slip, and then fired under a celadon glaze to create a smooth, seamless surface.