Finely painted on the interior medallion to depict a scene of an elderly immortal sitting and leaning against a large tree trunk with gnarled branches travelling through turbulent waves, with pile of books and cotton bag by his feet, he is shown wearing voluminous robe with elegant folds, his face highly detailed, confidently gazing forward, the cavetto with a dense lotus scroll meander against a yellow-enamel ground, the exterior reverse further decorated with stylized lotus scrolls, the base bears a four character 'QIANLONG' mark. Qing Dynasty Qianlong period.