Qing Dynasty, six character Kangxi mark and possibly of the period. The deep body rising from a straight foot to a flared rim, decorated to the exterior with a dark blue glaze, the interior glazed white, 10.5cm H, 20.5cm diameter. 清約康熙 灑藍地撇口盌,青花雙圈「大清康熙年製」楷書款