A CHINESE EN-GRISAILLE `LANDSCAPE` VASE The elongated ovoid body resting atop a splayed foot, painted to the exterior with a fisherman guiding his boat through a mountainous river landscape, with a scholar and attendant hiking towards a remote house through a rocky landscape dotted with pine trees, the reverse with accompanying inscription and red seal mark, the foot and neck decorated in blue enamel, the base with an artist`s seal mark in red enamel, 20cm high 墨彩山水圖瓶